英文關鍵字
background
bright
bucket
casting
close
cools
dark
equipment
fire
flame
flying
focus
foundry
furnace
heat
heavy
hot
industrial
industry
ladle
light
liquid
manufacturing
metal
metallurgy
mold
molds
molten
night
pour
poured
pouring
power
processing
production
red
sides
smelting
smoke
soft
sparks
special
steel
steelworks
stirs
technology
temperature
tool
was
where
work
worker
workers