acetylene

aluminum

angle

beam

bright

builder

building

business

buzzsaw

channel

circle

circular

construction

cut

danger

demolition

dismantling

equipment

flame

flash

gas

glove

grinder

grinding

hand

heavy

height

industry

iron

man

manual

material

metal

metalwork

production

profession

safety

smoke

solid

sparks

speed

steel

structure

tools

water

wheel

work

worker

working

workwear