英文關鍵字
forges
steelwork
nonferrous
technician
workers
workshop
mold
factory
foundry
metallic
heavy
pours
sparks
furnace
automation
manufacturing
equipment
ferrous
hot
plant
forge
ladle
industrialization
iron
heat
blast
molds
working
quality
alloy
engineering
metal
control
operating
casting
process
industries
metallurgy
precision
manufacture
foundries
craft
metalwork
production
craftsmanship
melting
machinery
steel
industrial
industry
pouring
molten
smelting