機器
abrasive
angle
building
circle
circular
construction
contour
craft
cut
cutter
danger
design
electric
electrical
electricity
engineering
equipment
grinder
hand
icon
illustration
industrial
industry
instrument
isolated
job
line
linear
lineart
manual
metal
object
outline
picture
power
professional
saw
silhouette
simple
speed
steel
technology
tool
turning
web
wheel
work
worker