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June 16th, 2015 07:45 PM #12
it could be. with companies finding ways on how to cut costs, this is one area where where their focus is. through the years, sprinkler systems are made up of steel plumbing. however, there are those who choose to use pvc pipes for this very important fixture in buildings. using pvc pipes in their sprinkler systems, your guess is as good as mine. bibigay talaga yan.
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