background
bronze
cast
casting
construction
equipment
factory
fire
fireplace
flame
flow
flowing
foundry
furnace
heat
heavy
hot
industrial
industry
iron
ladle
light
liquid
manufacturing
measurement
melt
metal
metallurgical
metallurgy
mill
molten
plant
pour
red
releasing
shiny
smelt
smelting
sparks
steel
storage
tank
work
workshop
yellow