英文關鍵字
activity
blade
board
building
carpenter
carpentry
carving
caucasian
circle
circular
construction
craft
cutting
danger
dust
electric
electricity
equipment
factory
finger
furniture
gray
hand
hands
human
industry
instrument
line
maker
plank
portion
power
rotary
safety
saw
sawdust
sawing
section
sharp
shed
short
skill
timber
tool
wood
work
worker
working
workshop