I-fire sprinkler inokohlulwa ibe orenji 57 ℃, ebomvu 68 ℃, emthubi 79 ℃, eluhlaza 93 ℃, blue 141 ℃, purple 182 ℃ kunye emnyama 227 ℃ ngokweqondo lobushushu. I-drooping sprinkler yeyona nto isetyenziswa kakhulu, efakwe kumbhobho wokuhambisa amanzi kwisebe. Imilo yesitshizi i...
Funda ngokugqithisileyo