機器
blast
cast
cast iron
casthouse
casting
centrifugal
crane
engineering
equipment
factory
fire
flame
foundry
furnace
heat
heavy
hot
hydraulic
industrial
industry
inside
iron
line
liquid
loader
machinery
manufacture
manufacturing
melting
metal
metallurgical
metallurgy
mill
mold
molten
overhead
pipe
plant
pouring
process
processing
production
smelting
steel
technology
temperature
tube
worker
workshop