機器
auto
automobile
automotive
background
car
electrical
electricity
electrode
engine
engineering
equipment
fabric
factory
flash
grind
grindstone
igniting
ignition
industrial
light
machinery
maintenance
manufacturing
mechanic
mechanical
metal
motor
motorbike
motorcycle
operation
part
plug
production
repair
replacement
replacing
rotation
sign
spare
spark
sparkplug
start
steel
symbol
technology
tool
transportation
vehicle
work