機器
automatic
board
business
button
circuit
closeup
complex
construction
control
cutting
electric
electrical
electricity
electronic
energy
engineering
equipment
factory
fuel
gear
generator
industrial
industry
iron
machining
macro
manufacturing
mechanic
metal
metallic
modern
mold
motor
new
panel
part
parts
power
process
production
safety
steel
supply
system
technology
tool
vehicle
wire
work