bright

building

burning

cast

construction

container

equipment

factory

fire

flame

flowing

foundry

frame

furnace

glowing

hearth

heat

heavy

industrial

industry

iron

ladle

light

line

liquid

making

manufacturing

melting

metal

metallurgical

metallurgy

mill

molten

open

pouring

production

red

shiny

smoke

sparks

steel

stream

tank

technology

vat

working

workshop