英文關鍵字
bathe
bathroom
chrome
clean
close
cold
color
cool
drain
drink
dripping
drop
drought
ecology
environment
faucet
flowing
fresh
healthy
hot
household
hygiene
kitchen
leak
lighting
open
pipe
plumber
plumbing
potable
professional
pure
quench
real
residential
running
shiny
sink
spout
stream
tap
thirst
time
wash
waste
water
wet