Category 1
Small mechanical tools or electronic devices, such as toys.
Gadgets
A complete failure.
Flop
Moves slowly and noisily
Chugged
Has circular ends with straight sides. It takes in gas to make parts move.
Cylinder
A machine that plays and records music or sounds.
Gives off a lot of light.
Incandescent
Helps the engine move or go forward.
Locomotives
Worked in an uneven way and made popping noises
Sputtered
Legal documents.
Patents