arc

avalanche

blast

bright

burning

business

dangerous

darkness

dirty

electrofusion

equipment

factory

fire

flame

founding

foundry

furnace

glow

heat

heavy

hot

industrial

industry

iron

job

light

liquid

manufacturing

melting

metal

metallurgist

ore

oresmelting

orethermal

people

plant

pour

power

process

production

profession

sparkles

sparks

steel

steelworks

work

workshop

yellow