Materials should be used in public security

    A town of some residents have recently discovered, their tap water is not smooth, which brings much inconvenience to the life. Don't dig do not know, a digging jump. They were curious to dig underground pipe, it was surprised to discover that, a few years ago the tap water pipe network transformation rules with a metal tube, is actually has been knocked out of the plastic pipe, and some still water leakage of pipeline.
    Also has a water plant workers reflect, in order to save money, they tap water factory, in tap water pipe network transformation of drawings by use of metal tubing, but with a plastic tube instead of metal tube.
    The first half of the area of floods, fire hose set fire hydrant or I help set, but because of the original water supply pipeline fire hydrant fire hose less, inaccessible, stay second hose to have missed the best opportunity, fire, the installation of water is also used in plastic pipe for water supply, low water pressure, water without enough water, watched a previously extinguished the fire into a burned man destroyed nearly 10 homes in the accident. Fire double valve pointed out, these are the facts tell us, usually fire work to do, installation to use the material according to the provisions of the state.
    Some of the villagers on the ground soil and digging, the reporter saw, where most of the plastic tube, only a few places with a metal pipe. The villagers didn't know, those with a metal pipe place, are used to cope with the above acceptance inspection.
    Later the water plant workers and relevant departments to report, investigate the parties face, a version, each have their own reasons,  hydrant valve that, for whatever reason, or whatever the cause, it should be all the residents living convenience and safety.