英文關鍵字
air
blow
blower
blowing
care
clean
cleaner
cleaning
cleanse
closeup
compressed
computer
dirt
dirty
dust
electronics
equipment
fan
garbage
hand
hardware
industry
issues
machine
part
power
pressure
prevention
professional
repair
repairing
repairman
service
support
sweep
technician
technology
troubleshoot
work
worker