英文關鍵字
wooden
board
grinder
circular
saw
cutting
furniture
production
machine
metalwork
engineering
craft
animation
hd
wood
construction
video
disc
electrical
industrial
blade
rotary
plank
tool
cutter
machinery
mechanic
timber
steel
sharp
safety
worker
dust
outdoors
technology
repair
electric
equipment
factory
garage
sawing
metal
technical
wheel
work
workplace
ironwork