1. Ukuhambisa izinsizakusebenza zamandla njenge-oyili negesi yemvelo
Amapayipi ensimbi angenamthungo kanye ne-welded angasetshenziselwa ukuthutha izinsiza zamandla njenge-oyili negesi yemvelo. Ngokusheshisa kwembulunga yonke komhlaba, isidingo samafutha omhlaba jikelele kawoyela kanye ne-ephephile ukuhanjiswa kwegesi yemvelo kuyaqhubeka ukukhula, okubuye kuthuthukise ukuthuthukiswa komkhakha wensimbi yensimbi.
2. Ukuhambisa amanzi, amakhemikhali, njll.
Amapayipi ensimbi nawo angasetshenziswa ukuhambisa amanzi, igesi, amakhemikhali, njll. Qhathaniswa namanye amapayipi okuhambisa, ukumelana kwensimbi, futhi ngenxa yalokho asetshenziswa kakhulu e-Aviation, ubunjiniyela bamakhemikhali, kanye neminye imikhakha.