英文關鍵字
bad
bath
bathroom
blockage
cleaner
cleaning
clearing
clog
clogged
clogging
close
closeup
contaminated
debris
dirt
dirty
disassembled
domestic
drain
drainage
drainpipe
elimination
fitting
focus
foul
hairs
home
house
hygiene
job
life
pipe
pipeline
pipes
plumber
plumbing
pollute
problem
problems
repair
repairing
sanitary
selective
service
sewage
sewer
sewerage
sink
siphon
stuck
theme
tube
unhygienic
wash
washbasin
washbowl
water
work