abstract
aged
amalgamation
bad condition
blend
compile
composite
compound
complex
connection
construction
contact
damaged
docking
facility
fittings
hookup
house
indoor
installing
interior
joining
juncture
metal
metal clip
mix
nobody
old
parts
pipe
pipeline
plumbing
poor
put together
regulate
ruin
shape
tube
valve
vent
wall
water pipe
water supply
white