Iiflevu zizixhobo ezisetyenziselwa ukudibanisa imibhobho, iimpompo kunye neevalve kwinkqubo yokufaka. Kukho iintlobo ezahlukeneyo zeflethi, ezinjengeeflethi zemfama, i-fecks yokutsalwa, i-Flanged Flanges, njl. Njl njl. Njl. Ezi zisetyenziswa kwi-petrochemical, iikhemikhali, amandla, ezolimo kunye namanye amashishini.