diff --git a/energy-skate-park-basics/energy-skate-park-basics-strings_kn.json b/energy-skate-park-basics/energy-skate-park-basics-strings_kn.json
index f3e6a14f21..318bcf3a91 100644
--- a/energy-skate-park-basics/energy-skate-park-basics-strings_kn.json
+++ b/energy-skate-park-basics/energy-skate-park-basics-strings_kn.json
@@ -1,251 +1,1112 @@
 {
-  "properties.position": {
-    "value": "ಸ್ಥಳ"
+  "controls.add-track": {
+    "value": "ಹಾದಿ ಬರೆಯಲು ಎಳೆಯಿರಿ",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ಹಾದಿ ಬರೆಯಲು ಎಳೆಯಿರಿ",
+        "explanation": null
+      }
+    ]
   },
-  "properties.speed": {
-    "value": "ವೇಗ"
+  "controls.bounciness": {
+    "value": "ಪುಟಿಸುವಿಕೆ",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ಪುಟಿಸುವಿಕೆ",
+        "explanation": null
+      }
+    ]
   },
-  "controls.show-friction": {
-    "value": "ಘರ್ಷಣೆಯ ಜಾಡು ಹಿಡಿ"
+  "controls.bring-back": {
+    "value": "ಮತ್ತೆ ತೆಗೆದುಕೊಂಡು ಬಾ",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ಮತ್ತೆ ತೆಗೆದುಕೊಂಡು ಬಾ",
+        "explanation": null
+      }
+    ]
   },
-  "controls.path": {
-    "value": "ಹಾದಿ"
+  "controls.choose-character": {
+    "value": "ಸ್ಕೇಟರ್ ಆಯ್ಕೆ",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ಸ್ಕೇಟರ್ ಆಯ್ಕೆ",
+        "explanation": null
+      }
+    ]
   },
-  "controls.mass": {
-    "value": "ದ್ರವ್ಯರಾಶಿ"
+  "controls.clear-heat": {
+    "value": "ಉಷ್ಣ ತೆಗೆ",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ಉಷ್ಣ ತೆಗೆ",
+        "explanation": null
+      }
+    ]
   },
-  "plots.energy-vs-time": {
-    "value": "ಶಕ್ತಿ vs. ಸಮಯ"
+  "controls.delete-point": {
+    "value": "ಹಿಡಿತಗಳನ್ನು ತೆಗೆ",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ಹಿಡಿತಗಳನ್ನು ತೆಗೆ",
+        "explanation": null
+      }
+    ]
   },
-  "controls.skater.restore-defaults": {
-    "value": "ಎಲ್ಲವೂ ಮೊದಲಿನಂತೆ"
+  "controls.delete-track": {
+    "value": "ಹಾದಿ ಅಳಿಸು",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ಹಾದಿ ಅಳಿಸು",
+        "explanation": null
+      }
+    ]
   },
-  "controls.clear-heat": {
-    "value": "ಉಷ್ಣ ತೆಗೆ"
+  "controls.edit-skater": {
+    "value": "ಸ್ಕೇಟರ್ ಬದಲಿಸು",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ಸ್ಕೇಟರ್ ಬದಲಿಸು",
+        "explanation": null
+      }
+    ]
   },
-  "plots.plot": {
-    "value": "ಶಕ್ತಿಯ ನಕ್ಷೆ"
+  "controls.friction": {
+    "value": "ಘರ್ಷಣೆಯ ಸ್ಥಿರಾಂಕ ",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ಘರ್ಷಣೆಯ ಸ್ಥಿರಾಂಕ ",
+        "explanation": null
+      }
+    ]
+  },
+  "controls.friction.title": {
+    "value": "ಘರ್ಷಣೆ",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ಘರ್ಷಣೆ",
+        "explanation": null
+      }
+    ]
   },
-  "skater.ball": {
-    "value": "ಚೆಂಡು"
+  "controls.gravity": {
+    "value": "ಗುರುತ್ವ",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ಗುರುತ್ವ",
+        "explanation": null
+      }
+    ]
   },
-  "controls.delete-point": {
-    "value": "ಹಿಡಿತಗಳನ್ನು ತೆಗೆ"
+  "controls.gravity.lots": {
+    "value": "ಹೆಚ್ಚನ ",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ಹೆಚ್ಚನ ",
+        "explanation": null
+      }
+    ]
   },
-  "energy.thermal": {
-    "value": "ಶಾಖದ"
+  "controls.gravity.none": {
+    "value": "ಏನೂ ಇಲ್ಲದ",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ಏನೂ ಇಲ್ಲದ",
+        "explanation": null
+      }
+    ]
   },
-  "energy.total": {
-    "value": "ಒಟ್ಟು"
+  "controls.hide-friction": {
+    "value": "ಘರ್ಷಣೆ ಮರೆಮಾಡು",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ಘರ್ಷಣೆ ಮರೆಮಾಡು",
+        "explanation": null
+      }
+    ]
   },
-  "time.resume": {
-    "value": "ಪುನರಾರಂಭಿಸು"
+  "controls.hide-skater-properties": {
+    "value": "ಸ್ಕೇಟರ್ ಗುಣ ಮರೆಮಾಡು",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ಸ್ಕೇಟರ್ ಗುಣ ಮರೆಮಾಡು",
+        "explanation": null
+      }
+    ]
   },
-  "controls.record-path": {
-    "value": "ಹಾದಿ ತೋರಿಸು"
+  "controls.mass": {
+    "value": "ದ್ರವ್ಯರಾಶಿ",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ದ್ರವ್ಯರಾಶಿ",
+        "explanation": null
+      }
+    ]
   },
-  "plots.bar-graph": {
-    "value": "ಸ್ತಂಬ ನಕ್ಷೆ"
+  "controls.measuring-tape": {
+    "value": "ಅಳತೆ ಪಟ್ಟಿ",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ಅಳತೆ ಪಟ್ಟಿ",
+        "explanation": null
+      }
+    ]
   },
-  "tracks-menu.item.friction-parabola": {
-    "value": "ಘರ್ಷಣೆಯ ನಕ್ಷೆ"
+  "controls.path": {
+    "value": "ಹಾದಿ",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ಹಾದಿ",
+        "explanation": null
+      }
+    ]
   },
-  "plots.energy-vs-position": {
-    "value": "ಶಕ್ತಿ vs. ಸ್ಥಳ "
+  "controls.record-path": {
+    "value": "ಹಾದಿ ತೋರಿಸು",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ಹಾದಿ ತೋರಿಸು",
+        "explanation": null
+      }
+    ]
   },
-  "plots.energy-vs-time.time": {
-    "value": "ಸಮಯ (sec)"
+  "controls.reset": {
+    "value": "ಮೊದಲಿನಿಂದ",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ಮೊದಲಿನಿಂದ",
+        "explanation": null
+      }
+    ]
   },
-  "location.earth": {
-    "value": "ಭೂಮಿ"
+  "controls.restart-skater": {
+    "value": "ಸ್ಕೇಟರ್ ಮರುಪ್ರಾರಂಭಿಸಿ",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ಸ್ಕೇಟರ್ ಮರುಪ್ರಾರಂಭಿಸಿ",
+        "explanation": null
+      }
+    ]
   },
-  "piechart.show-thermal": {
-    "value": "ಉಷ್ಣದ ಜೊತೆಗೆ"
+  "controls.show-background": {
+    "value": "ಹಿಂಬದಿ ತೋರಿಸು",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ಹಿಂಬದಿ ತೋರಿಸು",
+        "explanation": null
+      }
+    ]
   },
-  "controls.skater.stickiness": {
-    "value": "ಅಂಟಿಕೊಳ್ಳುವಿಕೆ"
+  "controls.show-friction": {
+    "value": "ಘರ್ಷಣೆಯ ಜಾಡು ಹಿಡಿ",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ಘರ್ಷಣೆಯ ಜಾಡು ಹಿಡಿ",
+        "explanation": null
+      }
+    ]
   },
-  "properties.energy": {
-    "value": "ಶಕ್ತಿ (J)"
+  "controls.show-grid": {
+    "value": "ಜಾಲರ ಹಾಕು",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ಜಾಲರ ಹಾಕು",
+        "explanation": null
+      }
+    ]
   },
-  "energy-skate-park.title": {
-    "value": "ಶಕ್ತಿ-ಸ್ಕೇಟ್ ಉದ್ಯಾನವನ"
+  "controls.skater.restore-defaults": {
+    "value": "ಎಲ್ಲವೂ ಮೊದಲಿನಂತೆ",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ಎಲ್ಲವೂ ಮೊದಲಿನಂತೆ",
+        "explanation": null
+      }
+    ]
   },
-  "skater.star-skater": {
-    "value": "ಸ್ಟಾರ್ ಸ್ಕೇಟರ್"
+  "controls.skater.stickiness": {
+    "value": "ಅಂಟಿಕೊಳ್ಳುವಿಕೆ",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ಅಂಟಿಕೊಳ್ಳುವಿಕೆ",
+        "explanation": null
+      }
+    ]
   },
-  "controls.show-grid": {
-    "value": "ಜಾಲರ ಹಾಕು"
+  "controls.stop-recording-path": {
+    "value": "ನಿಲ್ಲಿಸು",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ನಿಲ್ಲಿಸು",
+        "explanation": null
+      }
+    ]
+  },
+  "energy-skate-park-basics.title": {
+    "value": "ಶಕ್ತಿ ಜಾರು ಪಾರ್ಕ್ :ಮೂಲಭೂತ",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ಶಕ್ತಿ ಜಾರು ಪಾರ್ಕ್ :ಮೂಲಭೂತ",
+        "explanation": null
+      }
+    ]
   },
-  "tracks-menu.title": {
-    "value": "ಹಾದಿ"
+  "energy-skate-park.title": {
+    "value": "ಶಕ್ತಿ-ಸ್ಕೇಟ್ ಉದ್ಯಾನವನ",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ಶಕ್ತಿ-ಸ್ಕೇಟ್ ಉದ್ಯಾನವನ",
+        "explanation": null
+      }
+    ]
   },
-  "location.space": {
-    "value": "ಅಂತರಿಕ್ಷ "
+  "energy.energy": {
+    "value": "ಶಕ್ತಿ",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ಶಕ್ತಿ",
+        "explanation": null
+      }
+    ]
   },
-  "time.clear": {
-    "value": "ಅಳಿಸು "
+  "energy.kinetic": {
+    "value": "ಚಲನ",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ಚಲನ",
+        "explanation": null
+      }
+    ]
   },
-  "controls.show-background": {
-    "value": "ಹಿಂಬದಿ ತೋರಿಸು"
+  "energy.kinetic.energy": {
+    "value": "ಚಲನಶಕ್ತಿ",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ಚಲನಶಕ್ತಿ",
+        "explanation": null
+      }
+    ]
   },
-  "help.grab-a-track": {
-    "value": "ಹಾದಿ ಹಾಕು"
+  "energy.potential": {
+    "value": "ಪ್ರಚ್ಛನ್ನ",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ಪ್ರಚ್ಛನ್ನ",
+        "explanation": null
+      }
+    ]
   },
-  "plots.energy-vs-time.energy": {
-    "value": "ಶಕ್ತಿ (Joules)"
+  "energy.potential.energy": {
+    "value": "ಪ್ರಚ್ಛನ್ನ ಶಕ್ತಿ",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ಪ್ರಚ್ಛನ್ನ ಶಕ್ತಿ",
+        "explanation": null
+      }
+    ]
   },
-  "file-menu.save": {
-    "value": "ಉಳಿಸು"
+  "energy.thermal": {
+    "value": "ಶಾಖದ",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ಶಾಖದ",
+        "explanation": null
+      }
+    ]
   },
-  "controls.reset": {
-    "value": "ಮೊದಲಿನಿಂದ"
+  "energy.thermal.energy": {
+    "value": "ಶಾಖಶಕ್ತಿ",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ಶಾಖಶಕ್ತಿ",
+        "explanation": null
+      }
+    ]
   },
-  "controls.gravity.lots": {
-    "value": "ಹೆಚ್ಚನ "
+  "energy.total": {
+    "value": "ಒಟ್ಟು",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ಒಟ್ಟು",
+        "explanation": null
+      }
+    ]
   },
-  "location.moon": {
-    "value": "ಚಂದ್ರ"
+  "energy.total.energy": {
+    "value": "ಒಟ್ಟು ಶಕ್ತಿ",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ಒಟ್ಟು ಶಕ್ತಿ",
+        "explanation": null
+      }
+    ]
   },
-  "tracks-menu.item.double-well": {
-    "value": "ಆಳದ ಬಾವಿ"
+  "file-menu.open": {
+    "value": "ತೆರೆ",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ತೆರೆ",
+        "explanation": null
+      }
+    ]
   },
-  "message.confirm-reset": {
-    "value": "ಮತ್ತೆ ಶುರು ಮಾಡಲೇ? "
+  "file-menu.save": {
+    "value": "ಉಳಿಸು",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ಉಳಿಸು",
+        "explanation": null
+      }
+    ]
   },
-  "skater.bug": {
-    "value": "ಹುಳ"
+  "help.drag-the-skater": {
+    "value": "ಸ್ಕೇಟರ್ ಎಳೆ",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ಸ್ಕೇಟರ್ ಎಳೆ",
+        "explanation": null
+      }
+    ]
   },
-  "energy.kinetic": {
-    "value": "ಚಲನ"
+  "help.grab-a-track": {
+    "value": "ಹಾದಿ ಹಾಕು",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ಹಾದಿ ಹಾಕು",
+        "explanation": null
+      }
+    ]
   },
-  "energy.total.energy": {
-    "value": "ಒಟ್ಟು ಶಕ್ತಿ"
+  "help.right-click-for-options": {
+    "value": "ಹೆಚ್ಚಿನ ಆಯ್ಕೆಗೆ ಬಲ ಕ್ಲಿಕ್ ",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ಹೆಚ್ಚಿನ ಆಯ್ಕೆಗೆ ಬಲ ಕ್ಲಿಕ್ ",
+        "explanation": null
+      }
+    ]
   },
-  "energy.potential": {
-    "value": "ಪ್ರಚ್ಛನ್ನ"
+  "interview.name": {
+    "value": "ಶಕ್ತಿ-ಸ್ಕೇಟ್ ಉದ್ಯಾನವನ ಸಂದರ್ಶನ ಆಯ್ಕೆ",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ಶಕ್ತಿ-ಸ್ಕೇಟ್ ಉದ್ಯಾನವನ ಸಂದರ್ಶನ ಆಯ್ಕೆ",
+        "explanation": null
+      }
+    ]
   },
   "invitaiton.arrow-keys": {
     "value": ""
   },
-  "controls.gravity.none": {
-    "value": "ಏನೂ ಇಲ್ಲದ"
+  "label.potential-energy-reference": {
+    "value": "ಪ್ರಚ್ಛನ್ನ ಶಕ್ತಿ ಉಲ್ಲೇಖ",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ಪ್ರಚ್ಛನ್ನ ಶಕ್ತಿ ಉಲ್ಲೇಖ",
+        "explanation": null
+      }
+    ]
   },
-  "file-menu.open": {
-    "value": "ತೆರೆ"
+  "label.zero-potential-energy": {
+    "value": "ಈ ಗೆರೆಯ ಮೇಲೆ PE = 0",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ಈ ಗೆರೆಯ ಮೇಲೆ PE = 0",
+        "explanation": null
+      }
+    ]
+  },
+  "large": {
+    "value": "ದೊಡ್ಡ",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ದೊಡ್ಡ",
+        "explanation": null
+      }
+    ]
   },
-  "plots.copy": {
-    "value": "ಕಾಪಿ ಮಾಡು"
+  "location": {
+    "value": "ಸ್ಥಳ",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ಸ್ಥಳ",
+        "explanation": null
+      }
+    ]
   },
-  "controls.hide-skater-properties": {
-    "value": "ಸ್ಕೇಟರ್ ಗುಣ ಮರೆಮಾಡು"
+  "location.earth": {
+    "value": "ಭೂಮಿ",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ಭೂಮಿ",
+        "explanation": null
+      }
+    ]
   },
-  "energy.thermal.energy": {
-    "value": "ಶಾಖಶಕ್ತಿ"
+  "location.jupiter": {
+    "value": "ಗುರು",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ಗುರು",
+        "explanation": null
+      }
+    ]
   },
-  "controls.choose-character": {
-    "value": "ಸ್ಕೇಟರ್ ಆಯ್ಕೆ"
+  "location.moon": {
+    "value": "ಚಂದ್ರ",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ಚಂದ್ರ",
+        "explanation": null
+      }
+    ]
   },
-  "controls.delete-track": {
-    "value": "ಹಾದಿ ಅಳಿಸು"
+  "location.space": {
+    "value": "ಅಂತರಿಕ್ಷ ",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ಅಂತರಿಕ್ಷ ",
+        "explanation": null
+      }
+    ]
   },
-  "energy.energy": {
-    "value": "ಶಕ್ತಿ"
+  "message.confirm-reset": {
+    "value": "ಮತ್ತೆ ಶುರು ಮಾಡಲೇ? ",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ಮತ್ತೆ ಶುರು ಮಾಡಲೇ? ",
+        "explanation": null
+      }
+    ]
   },
-  "message.paused": {
-    "value": "ಅನಿಮೇಷನ್ ವಿರಾಮದಲ್ಲಿದೆ"
+  "message.confirm-reset-title": {
+    "value": "ಖಂಡಿತವಾಗಿಯೂ",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ಖಂಡಿತವಾಗಿಯೂ",
+        "explanation": null
+      }
+    ]
   },
-  "help.drag-the-skater": {
-    "value": "ಸ್ಕೇಟರ್ ಎಳೆ"
+  "message.paused": {
+    "value": "ಅನಿಮೇಷನ್ ವಿರಾಮದಲ್ಲಿದೆ",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ಅನಿಮೇಷನ್ ವಿರಾಮದಲ್ಲಿದೆ",
+        "explanation": null
+      }
+    ]
+  },
+  "normal": {
+    "value": "ಸಾಧಾರಣ",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ಸಾಧಾರಣ",
+        "explanation": null
+      }
+    ]
+  },
+  "pieChart": {
+    "value": "ಪೈ ಚಾರ್ಟ್",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ಪೈ ಚಾರ್ಟ್",
+        "explanation": null
+      }
+    ]
   },
-  "controls.friction": {
-    "value": "ಘರ್ಷಣೆಯ ಸ್ಥಿರಾಂಕ "
+  "piechart.show": {
+    "value": "ಪೈ ನಕ್ಷೆ ತೋರಿಸು ",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ಪೈ ನಕ್ಷೆ ತೋರಿಸು ",
+        "explanation": null
+      }
+    ]
   },
-  "interview.name": {
-    "value": "ಶಕ್ತಿ-ಸ್ಕೇಟ್ ಉದ್ಯಾನವನ ಸಂದರ್ಶನ ಆಯ್ಕೆ"
+  "piechart.show-thermal": {
+    "value": "ಉಷ್ಣದ ಜೊತೆಗೆ",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ಉಷ್ಣದ ಜೊತೆಗೆ",
+        "explanation": null
+      }
+    ]
   },
-  "location.jupiter": {
-    "value": "ಗುರು"
+  "plots.bar-graph": {
+    "value": "ಸ್ತಂಬ ನಕ್ಷೆ",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ಸ್ತಂಬ ನಕ್ಷೆ",
+        "explanation": null
+      }
+    ]
   },
-  "skater.phet-skater": {
-    "value": "ಸ್ಕೇಟರ್"
+  "plots.copy": {
+    "value": "ಕಾಪಿ ಮಾಡು",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ಕಾಪಿ ಮಾಡು",
+        "explanation": null
+      }
+    ]
   },
-  "translation.credits": {
-    "value": ""
+  "plots.energy-vs-position": {
+    "value": "ಶಕ್ತಿ vs. ಸ್ಥಳ ",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ಶಕ್ತಿ vs. ಸ್ಥಳ ",
+        "explanation": null
+      }
+    ]
   },
-  "tracks-menu.item.loop": {
-    "value": "ಆವರ್ತನೆ"
+  "plots.energy-vs-position-save": {
+    "value": "ಶಕ್ತಿ vs. ಸ್ಥಳ (ಉಳಿಸು #",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ಶಕ್ತಿ vs. ಸ್ಥಳ (ಉಳಿಸು #",
+        "explanation": null
+      }
+    ]
   },
-  "controls.bounciness": {
-    "value": "ಪುಟಿಸುವಿಕೆ"
+  "plots.energy-vs-time": {
+    "value": "ಶಕ್ತಿ vs. ಸಮಯ",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ಶಕ್ತಿ vs. ಸಮಯ",
+        "explanation": null
+      }
+    ]
   },
-  "skater.bulldog": {
-    "value": "ನಾಯಿ"
+  "plots.energy-vs-time.energy": {
+    "value": "ಶಕ್ತಿ (Joules)",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ಶಕ್ತಿ (Joules)",
+        "explanation": null
+      }
+    ]
   },
-  "properties.height": {
-    "value": "ಎತ್ತರ"
+  "plots.energy-vs-time.time": {
+    "value": "ಸಮಯ (sec)",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ಸಮಯ (sec)",
+        "explanation": null
+      }
+    ]
   },
-  "controls.gravity": {
-    "value": "ಗುರುತ್ವ"
+  "plots.plot": {
+    "value": "ಶಕ್ತಿಯ ನಕ್ಷೆ",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ಶಕ್ತಿಯ ನಕ್ಷೆ",
+        "explanation": null
+      }
+    ]
   },
-  "message.confirm-reset-title": {
-    "value": "ಖಂಡಿತವಾಗಿಯೂ"
+  "plots.position.meters": {
+    "value": "ಸ್ಥಾನ (meters)",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ಸ್ಥಾನ (meters)",
+        "explanation": null
+      }
+    ]
   },
-  "label.potential-energy-reference": {
-    "value": "ಪ್ರಚ್ಛನ್ನ ಶಕ್ತಿ ಉಲ್ಲೇಖ"
+  "properties.energy": {
+    "value": "ಶಕ್ತಿ (J)",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ಶಕ್ತಿ (J)",
+        "explanation": null
+      }
+    ]
   },
-  "energy.kinetic.energy": {
-    "value": "ಚಲನಶಕ್ತಿ"
+  "properties.height": {
+    "value": "ಎತ್ತರ",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ಎತ್ತರ",
+        "explanation": null
+      }
+    ]
   },
-  "tracks-menu.item.jump": {
-    "value": "ನೆಗೆ "
+  "properties.position": {
+    "value": "ಸ್ಥಳ",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ಸ್ಥಳ",
+        "explanation": null
+      }
+    ]
   },
-  "controls.restart-skater": {
-    "value": "ಸ್ಕೇಟರ್ ವಾಪಾಸ್ಸು"
+  "properties.speed": {
+    "value": "ವೇಗ",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ವೇಗ",
+        "explanation": null
+      }
+    ]
+  },
+  "screen.friction": {
+    "value": "ಘರ್ಷಣೆ",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ಘರ್ಷಣೆ",
+        "explanation": null
+      }
+    ]
+  },
+  "screen.introduction": {
+    "value": "ಪರಿಚಯ",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ಪರಿಚಯ",
+        "explanation": null
+      }
+    ]
+  },
+  "screen.trackPlayground": {
+    "value": "ಮೈದಾನ",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ಮೈದಾನ",
+        "explanation": null
+      }
+    ]
   },
-  "help.right-click-for-options": {
-    "value": "ಹೆಚ್ಚಿನ ಆಯ್ಕೆಗೆ ಬಲ ಕ್ಲಿಕ್ "
+  "skater.ball": {
+    "value": "ಚೆಂಡು",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ಚೆಂಡು",
+        "explanation": null
+      }
+    ]
   },
-  "plots.energy-vs-position-save": {
-    "value": "ಶಕ್ತಿ vs. ಸ್ಥಳ (ಉಳಿಸು #"
+  "skater.bug": {
+    "value": "ಹುಳ",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ಹುಳ",
+        "explanation": null
+      }
+    ]
   },
-  "controls.hide-friction": {
-    "value": "ಘರ್ಷಣೆ ಮರೆಮಾಡು"
+  "skater.bulldog": {
+    "value": "ನಾಯಿ",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ನಾಯಿ",
+        "explanation": null
+      }
+    ]
   },
-  "controls.add-track": {
-    "value": "ಹಾದಿ ಬರೆಯಲು ಎಳೆಯಿರಿ"
+  "skater.phet-skater": {
+    "value": "ಸ್ಕೇಟರ್",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ಸ್ಕೇಟರ್",
+        "explanation": null
+      }
+    ]
   },
-  "piechart.show": {
-    "value": "ಪೈ ನಕ್ಷೆ ತೋರಿಸು "
+  "skater.star-skater": {
+    "value": "ಸ್ಟಾರ್ ಸ್ಕೇಟರ್",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ಸ್ಟಾರ್ ಸ್ಕೇಟರ್",
+        "explanation": null
+      }
+    ]
+  },
+  "slow.motion": {
+    "value": "ನಿಧಾನ ಚಲನೆ",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ನಿಧಾನ ಚಲನೆ",
+        "explanation": null
+      }
+    ]
+  },
+  "small": {
+    "value": "ಸಣ್ಣ",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ಸಣ್ಣ",
+        "explanation": null
+      }
+    ]
   },
-  "energy.potential.energy": {
-    "value": "ಪ್ರಚ್ಛನ್ನ ಶಕ್ತಿ"
+  "time.clear": {
+    "value": "ಅಳಿಸು ",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ಅಳಿಸು ",
+        "explanation": null
+      }
+    ]
   },
-  "plots.position.meters": {
-    "value": "ಸ್ಥಾನ (meters)"
+  "time.resume": {
+    "value": "ಪುನರಾರಂಭಿಸು",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ಪುನರಾರಂಭಿಸು",
+        "explanation": null
+      }
+    ]
   },
-  "label.zero-potential-energy": {
-    "value": "ಈ ಗೆರೆಯ ಮೇಲೆ PE = 0"
+  "tracks-menu.item.double-well": {
+    "value": "ಆಳದ ಬಾವಿ",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ಆಳದ ಬಾವಿ",
+        "explanation": null
+      }
+    ]
   },
   "tracks-menu.item.double-well-roller-coaster": {
-    "value": "ಆಳದ ಬಾವಿ "
+    "value": "ಆಳದ ಬಾವಿ ",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ಆಳದ ಬಾವಿ ",
+        "explanation": null
+      }
+    ]
   },
-  "tracks-menu.item.s-curve": {
-    "value": "S-ತಿರುವು"
+  "tracks-menu.item.friction-parabola": {
+    "value": "ಘರ್ಷಣೆಯ ನಕ್ಷೆ",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ಘರ್ಷಣೆಯ ನಕ್ಷೆ",
+        "explanation": null
+      }
+    ]
   },
-  "controls.measuring-tape": {
-    "value": "ಅಳತೆ ಪಟ್ಟಿ"
+  "tracks-menu.item.jump": {
+    "value": "ನೆಗೆ ",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ನೆಗೆ ",
+        "explanation": null
+      }
+    ]
   },
-  "controls.stop-recording-path": {
-    "value": "ನಿಲ್ಲಿಸು"
+  "tracks-menu.item.loop": {
+    "value": "ಆವರ್ತನೆ",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ಆವರ್ತನೆ",
+        "explanation": null
+      }
+    ]
   },
-  "location": {
-    "value": "ಸ್ಥಳ"
+  "tracks-menu.item.s-curve": {
+    "value": "S-ತಿರುವು",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "S-ತಿರುವು",
+        "explanation": null
+      }
+    ]
   },
-  "controls.edit-skater": {
-    "value": "ಸ್ಕೇಟರ್ ಬದಲಿಸು"
+  "tracks-menu.title": {
+    "value": "ಹಾದಿ",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "ಹಾದಿ",
+        "explanation": null
+      }
+    ]
   },
-  "controls.bring-back": {
-    "value": "ಮತ್ತೆ ತೆಗೆದುಕೊಂಡು ಬಾ"
+  "translation.credits": {
+    "value": ""
+  },
+  "zeroMeters": {
+    "value": "0 ಮೀಟರ್ಗಳಷ್ಟು",
+    "history": [
+      {
+        "userId": 325813,
+        "timestamp": 1474887330079,
+        "oldValue": "",
+        "newValue": "0 ಮೀಟರ್ಗಳಷ್ಟು",
+        "explanation": null
+      }
+    ]
   }
 }
\ No newline at end of file