英文關鍵字
air
airflow
blow
blower
blowing
care
clean
cleaner
cleaning
cleanse
closeup
compressed
computer
computing
dirt
dirty
dust
electrical
electronics
equipment
fan
garbage
issues
machine
maintenance
motion
panel
part
power
pressure
prevention
repair
repairing
repairman
service
support
technician
technology
trash
troubleshoot
wind