blade

builder

circle

circular

construction

cut

disc

disk

electric

engineering

equipment

factory

flash

grind

grinder

grinding

hand

hot

industrial

industry

instrument

iron

job

light

machine

man

manual

manufacture

manufacturing

mechanic

metal

power

production

round

safety

saw

sawing

slow

spark

sparks

steel

technical

technology

tool

welder

welding

wheel

work

worker

workshop