add belt slot plasma tank

code/obj/item/tank.dm

@@ -511,15 +511,15 @@ TYPEINFO(/obj/item/tank/jetpack/micro)
 /obj/item/tank/mini_oxygen
 	name = "mini oxygen tank"
 	icon_state = "mini_oxtank"
-	item_state = "em_oxtank"
+	item_state = "mini_oxtank"
 	flags = FPRINT | TABLEPASS | CONDUCT
 	c_flags = ONBELT
 	health = 5
 	w_class = W_CLASS_NORMAL
-	force = 3
+	force = 4
 	stamina_damage = 30
 	stamina_cost = 16
-	desc = "A personal oxygen tank meant to keep you alive in an emergency. To use, put on a secure mask and open the tank's release valve."
+	desc = "A personal oxygen tank meant to keep you alive in an emergency. This one hooks directly to your jumpsuit's belt. To use, put on a secure mask and open the tank's release valve."
 	wear_image_icon = 'icons/mob/clothing/belt.dmi'
 	distribute_pressure = 17
 	compatible_with_TTV = FALSE
@@ -686,3 +686,31 @@ TYPEINFO(/obj/item/tank/jetpack/micro)
 			S.part2 = null
 			//S = null
 			qdel(S)
+
+/obj/item/tank/mini_plasma
+	name = "mini plasma tank"
+	icon_state = "mini_plastank"
+	item_state = "mini_plastank"
+	flags = FPRINT | TABLEPASS | CONDUCT
+	c_flags = ONBELT
+	health = 5
+	w_class = W_CLASS_NORMAL
+	force = 4
+	stamina_damage = 30
+	stamina_cost = 16
+	desc = "This orange gas tank is used to contain toxic, volatile plasma. This one hooks directly to your jumpsuit's belt."
+	wear_image_icon = 'icons/mob/clothing/belt.dmi'
+	distribute_pressure = 17
+	compatible_with_TTV = FALSE
+
+	New()
+		..()
+		src.air_contents.volume = 15
+		src.air_contents.toxins = (ONE_ATMOSPHERE * 2) * 70 / (R_IDEAL_GAS_EQUATION * T20C)
+		return
+
+	empty
+		New()
+			..()
+			src.air_contents.toxins = null
+			return