black
bright
burning
cast
casting
construction
equipment
factory
fire
flame
flow
flowing
foundry
furnace
glow
glowing
heat
heavy
hot
industrial
industry
iron
ladle
light
liquid
lots
manufacturing
melting
metal
metallurgical
metallurgy
mill
molten
orange
plant
poured
pouring
power
production
red
spark
sparkle
steel
stream
thin
work
workshop