angle

auto

blade

board

carving

circle

circular

closeup

construction

craft

cut

diamond

die

disc

disk

drill

electric

electrical

equipment

factory

gray

grind

grinder

grooved

horizontal

improvement

industrial

industry

iron

light

machine

manual

manufacture

manufacturing

metal

power

production

protection

rotate

safety

saw

sawing

spark

speed

steel

tool

wheel

work

worker

workshops