機器
auto
automobile
battery
block
car
carburetor
chrome
clean
complex
detail
diesel
electric
energy
engine
engineering
equipment
factory
fuel
futuristic
gear
generator
hose
industrial
industry
iron
machinery
manufacturing
mechanic
mechanical
metal
metallic
modern
motor
new
oil
part
petrol
polished
power
repair
shiny
speed
steel
technology
transmission
transport
transportation
valve
vehicle