aluminum

automatic

automobile

blank

blue

car

circular

commanding

control

details

device

disc

employee

equipment

factory

feed

frame

glove

hand

illuminating

industrial

industry

installing

light

machine

machinery

machinist

man

manually

mechanic

metal

metalworking

operator

people

plant

proletarian

repousse

rim

round

serviceman

shop

stamped

steel

tire

tool

welding

wheel

worker

workpiece

workshop