英文關鍵字
action
blast
boiling
bright
burn
cast
caster
casting
crucible
dark
equipment
factory
fiery
fire
flame
flow
flowing
foundry
furnace
heat
heavy
hot
industrial
industry
intense
iron
ironworks
ladle
liquid
manufacture
manufacturing
material
melting
metal
metallic
metallurgy
mill
molten
orange
plant
pour
production
red
shiny
smelting
sparks
steel
steelworks
welding
work