英文關鍵字
person
bathroom
blockage
ceramic
sink
clean
clogged
closeup
domestic
drain
hole
hand
handle
home
house
household
housework
hygiene
industrial
instrument
kitchen
metal
pipe
plumber
plumbing
plunger
pressure
problem
pumping
repairman
rubber
service
steel
vacuum
tool
transportation
unblock
unblocking
unblocks
unclog
apparatus
wash
waste
water
work