英文關鍵字
abstract
action
activity
background
black
blast
brave
building
construction
equipment
factory
fiery
fire
flood
forge
foundry
furnace
graphite
heavy
hot
industry
inside
iron
kiln
liquid
manhole
metal
metallurgical
metallurgist
metallurgy
mill
molten
oven
plant
pour
production
red
row
sanguine
scorching
searing
shop
sizzling
sparks
steel
stove
technology
uss
work