英文關鍵字
water
flows
from
aerator
tap
mixer
drop
formation
closeup
faucet
flow
drip
stream
old
calcium
hole
softening
pipe
efficiently
plastic
drops
saving
quality
life
poisoned
rationally
potassium
plaque
corrosion
new
household
metal
bathroom
sink
background
aeration
macro
home
consumption
flowing
environment
conservation