Welcome to our factory. My name is Tiang Had and I'll show you around here. First we'll take a look at the workshop which produces food thermometers. Please, this way.
Has all the work done by men been replaced by automatic computers?
Yes, it has.
Excuse me, what is this?
This is a circuit board.
Are the batteries in it made by your people?
No, they are from other factories.
What kind of battery is it?