英文關鍵字
foam
spray
cleaner
dust
worker
conditioner
clean
repair
maintenance
house
filter
work
service
indoor
home
air
cleaning
conditioning
fix
wash
electric
wall
unhealthy
technician
dirt
appliance
dusty
coil
remove
repairman
means
hand
fan
temperature
cold
replace
electrician
apartment
male
installing
hands
repairing
room
fixing
man
balon
system