英文關鍵字
arc
blast
bright
burning
dangerous
dirty
electrofusion
equipment
factory
fire
founding
foundry
furnace
glow
heat
heavy
hot
industrial
industry
iron
job
light
liquid
man
manufacturing
melting
metal
ore
oresmelting
orethermal
people
plant
pour
pouring
power
process
production
profession
slag
sparkles
sparks
steel
steelmaker
steelworker
steelworks
titanium
work
worker
workshop