bits

black

bolt

carving

clamp

color

cut

die

dirty

engineering

equipment

factory

fluted

forming

gage

garage

grunge

hand

hole

industrial

industry

instrument

lathe

machine

manufacture

manufacturing

mechanic

metal

metalworking

milling

oil

operator

pitch

plate

pressure

production

rotate

sharp

shavings

silver

stainless

steel

stud

tap

technology

texture

thread

threading

tool

white

work

worker

workshop

wrench