機器
blade
block
brick
bricklayer
builder
building
building block
carve
chop
circular
concrete
construction
cut
cutter
cutting
diamond
disc
dust
electric
equipment
factory
grinder
hand
industrial
industry
job
laborer
machine tool
machinery
man
manufacture
material
power
rock
rotation
saw
sawing
sharp
site
slice
stone
tile
tool
wheel
work
worker
working
workman