abrasive

adult

blade

build

builder

circle

construction

cut

cutoff

cutter

disk

electric

equipment

eyeglasses

factory

gloves

grey

grind

grinder

grinding

helmet

industrial

industry

machine

man

manual

metal

metallic

mill

milling

motion

move

movie

moving

nail

nails

noise

off

orange

overalls

polish

protection

protective

red

rust

rusted

safety

saw

sharp

sharpening

sharpness

sound

spangle

spark

sparkles

speed

spin

steel

stone

stones

tool

video

welding

wheel

whirl

work

worker