機器
art
background
business
cog
cogwheel
concept
creative
design
development
element
engine
engineering
equipment
factory
flat
gear
graphic
hat
helmet
icon
idea
illustration
industrial
isolated
job
labor
logo
machinery
mechanic
mechanical
mechanism
object
professional
progress
protect
protection
safe
safety
sign
symbol
technical
technology
template
travel
web
website
wheel
work