機器
abstract
accuracy
backgrounds
business
cable
closeup
complex
complexity
component
concept
cooperation
detail
electric
electrical
electronics
element
energy
engine
engineer
engineering
equipment
factory
foreground
fragment
gear
heavy
human
industrial
industry
innovation
line
macro
mahinery
manual
manufacturing
measurement
mechanic
modern
old
parts
production
protection
repairing
supply
teamwork
technology
tool
tube
wheel
wire
work
working