actions

bright

burning

cast

changing

danger

effort

equipment

factory

fire

flame

flowing

form

foundry

freight

fuel

fumes

furnace

glowing

heat

heavy

industrial

industry

iron

line

liquid

manual

melting

metal

metallurgical

metallurgy

mill

molten

occupation

open

orange

pouring

power

production

red

redhot

smeltery

smoke

sparks

steel

tank

technology

transportation

worker

working