機器
activity
architecture
arm
background
blade
brick
circular
concrete
construction
craft
cut
cutter
dangerous
decorative
diamond
dust
electric
engineering
equipment
fibre cement
flat
granite
grinder
grinding
grunge
hand
hard
holding
industrial
job
man
material
motion
outdoors
paving
power
risk
rotary
rotation
saw
site
skill
smoke
speed
tile
tool
wheel
work
worker