Yes.
In a braking system
could someone please answer this
all you have to do is sometimes get usful
Smelting
They're useful because I'm awesome
The rosetta stone is used to read hierogyphics.
If you didn't have one, how would you work on anything mechanical.
They are great for war and usful for research anf tourism.
good: usful for time managments BAD: uses battery
They are not but are something that a lot of pupils are familiar with. They are a usful tool for visualising fractions.
Batteries are useful because they are use to make things work and that energy is electricity.