機器
black
cartridge
closeup
computer
digital
electronic
engineer
engineering
equipment
fix
fixing
hand
industrial
industry
ink
laser
maintenance
male
man
manufacturing
material
modern
object
plastic
print
printer
printout
professional
refill
refilling
repair
repairman
replace
science
screwdriver
service
supply
support
table
technician
technology
thread
toner
tool
used
wire
work
worker