apartment

bills

brick

building

business

circle

cold

conduit

consumption

conveying

cost

counter

current

economic

economical

economy

equipment

expense

fitting

fix

flow

gas

gauge

home

hot

hydrometer

indoor

indor

industrial

industry

install

installation

interior

measure

mechanical

meter

metering

monthly

mount

new

number

payment

personal

pipe

plumbing

residential

spend

tool

water