機器
angle
art
blue
bright
building
circle
circular
construction
contour
craft
cut
cutter
danger
design
electric
electrical
electricity
engineering
equipment
glowing
grinder
hand
icon
illustration
industrial
industry
isolated
job
light
line
linear
lineart
manual
metal
neon
object
outline
picture
power
professional
saw
speed
steel
tool
turning
wheel
work
worker