bar

basic

bright

burning

business

complex

compression

conveyer

cooling

equipment

factory

fire

foundry

furnace

heat

heavy

horizontal

hot

huge

indoors

industrial

industry

iron

light

machine

manufacturing

melting

metal

metallurgy

mill

molten

organization

press

process

product

production

red

rolled

roller

rolling

rotates

sheet

spark

steam

steel

technology

temperature

tension

transporter

work