機器
arm
assembly
auto
automative
automobile
bus
business
car
chassis
check
concept
construction
control
conveyor
domestic
employment
energy
engine
engineering
equipment
factory
frame
framework
futuristic
industrial
industry
line
manufacturing
measure
mechanic
metal
modern
motor
order
production
quality
repair
robot
sale
skeleton
technology
testing
transport
transportation
trolleybus
vehicle
welder
welding
workers