機器
blast
cast
casthouse
casting
equipment
fabricators
factory
ferrous
fire
founding
foundry
furnace
heat
heavy
hot
indoors
industrial
industry
inside
interior
iron
large
line
loader
machinery
manufacture
manufacturing
material
melting
metal
metallurgical
metallurgy
mill
molten
pipe
pipeline
plant
processing
production
safety
smelting
steel
steelwork
structural
temperature
tube
work
workshop