Mr.Changtooktous thatthe watertapjusthaslittlewaterathome. WewenttoMr.Changehomeandwashpipe. WhenWechecked thepipelineand foundrustaroundthepipe.Weusedtopipewasherandfilled acidwaterintothepipe.Bwteen15minago. Westartedpipewasher.A moment,thepipelinewashedoutyellowwater.Therehas alittlebit oilonthewater, Itlooklikeverydirty.Suchaspic.Mr.Changsaidhowdirtythewaterpipesare. Suchasavideo.Onehourago.Thefaucetoutputsreturn tonormal.
washingpipe
