andalusia
aqueduct
background
barrage
big
close
closing
connection
construction
drip
engineering
equipment
faucet
flow
gate
green
handle
industrial
industry
irrigation
lasher
metal
natural
off
old
plant
ronda
rusty
screw
sewer
shut
shutoff
shutter
sluice
spain
steel
stopcock
supply
system
tap
technical
technics
technology
valve
vintage
water
watergate
waterwork
weir
wheel