英文關鍵字
alloying
bright
cast
casting
construction
crucible
cup
equipment
factory
fire
fireplace
flame
flaming
flow
flowing
foundry
frame
furnace
glowing
heat
heavy
hot
industrial
industry
iron
ladle
light
liquid
manufacture
melt
metal
metallurgical
metallurgy
mill
molten
organization
plant
pouring
production
red
releasing
smelting
smoke
steel
stillife
stove
tank
vat
work
workshop