Plumbing technology ? In plumbing language what is a cross nouns? is it A. when plumbing and electrical systems mix B. when a...
is it A. when plumbing and electrical systems mix B. when a faucet spoutis below the flood rim of a fixture, or C. when two dissimilar piping mateials are joined. please answer A. B. or C. thankyou
Answers: it is none of the above, any connections between two other sage seperate piping systems whereby there may be a flow from one system to the other.
c