background

blade

circle

circular

construction

conveyor

craftsman

cut

dark

disc

electric

electrical

engineering

equipment

factory

fire

flash

flying

grated

grinder

grinding

hand

industrial

industry

iron

job

light

machine

machines

man

manual

manufacturing

men

metal

modify

power

production

protection

round

saw

screw

spark

sparkle

speed

steel

structure

technical

technology

tool

tracks

use

welding

wheel

white

work

workers

workshop