英文關鍵字
aluminium
aluminum
background
bright
cast
casting
construction
detail
factory
fire
foreman
foundry
furnace
heat
heavy
hot
industry
iron
ironworks
job
ladle
lead
light
liquid
machine
male
manufacture
manufacturing
material
melt
melting
metal
metallurgical
metallurgist
metallurgy
metalwork
mold
molten
one
production
sand
smelting
steel
technology
temperature
wood
work
worker
workshop