英文關鍵字
abrasive
angle
blacksmith
blur
burnish
cast
craft
craftsman
craftsmanship
cutout
dark
device
dirty
disk
ferrous
fireplace
fixing
forge
glow
grinder
hammerman
industrial
industry
iron
job
machinery
manual
manufacture
metal
motion
nogent
nozzle
past
polish
polishing
process
product
production
shaft
side
smithy
spark
steel
stove
tongs
variety
workplace
workshop