英文關鍵字
abrasivedisc
background
blade
carpenter
carpentry
circular
circularsaw
construction
cut
cutting
design
disc
electric
equipments
factory
frame
hand
industrial
industry
lumber
machine
manual
material
motion
object
person
piece
plank
rotary
safety
saw
sawdust
sawing
sawmill
sharp
skill
spinning
teeth
timber
tool
wood
woodwork
woodworking
work
workbench
worker
young