機器
assembling
assembly
background
board
builder
chip
circuit
collection
conveyor
design
detail
device
disassembling
electronic
electronics
engineer
engineering
equipment
factory
fitting
fix
hand
hardware
industrial
industry
installation
laborer
manual
manual worker
manufacture
manufacturing
mechanic
mount
mounting
part
production line
professional
repair
repairman
service
serviceman
set
technician
technology
tester
tool
work
worker
working