機器
cartridge
closeup
cmyk
component
computer
concepts
development
digital
electrical
electronics
engineer
engineering
equipment
experiment
ideas
industry
laboratory
measuring
monitor
multi
new
objects
occupation
oscilloscope
painting
part
pattern
peripheral
polygraph
press
print
printer
printout
repair
research
scientific
service
square
technology
test
threedimensional
tool
wave
work
work tool