機器
abstract
aerospace
black
blueprint
business
cad
computer
construction
detail
diagram
drafting
drawing
engine
engineer
engineering
equipment
facility
factory
female
gear
icon
illustration
industry
line
machinery
manufacturing
mechanic
mechanical
mechanism
metal
model
outline
precision
production
robot
scheme
sign
sketch
symbol
technician
technology
tool
wheel
woman
work
worker
workshop
young