anvil

blacksmith

block

bright

casting

construction

cuts

energy

excess

factory

fire

fit

flame

flattening

flowing

forged

forging

foundry

furnace

glow

hammer

heat

heavy

hot

industrial

industry

iron

job

light

liquid

machine

mechanical

melting

metal

metallurgy

molten

night

open

orange

oven

pieces

press

production

profession

put

red

shop

size

smoke

spark

steel

stove

stretch

technology

work

worker

workers

workpiece

yellow