機器
background
blade
block
brick
building
concrete
construction
cut
cutoff
cutter
danger
disc
dust
electric
electrical
engine
equipment
gray
grinder
grinding
hand
industrial
industry
instrument
job
masonry
material
mechanic
power
production
professional
safety
saw
spin
stack
stone
structure
technology
texture
tile
tool
wall
wallpaper
work
worker