Ikhiqizwa impahla yokungenisa i-AISI 304 noma i-AISI 316L enokumelana nokugqwala okuphezulu, ukumelana nokushisa okuphezulu kanye nempahla ephelele yemishini, isetshenziselwa kakhulu i-air-conditioning, uhlelo lwamapayipi angaphakathi nokunye.
Iphrofayili ye-convol-ution enomumo othi-“U” njengephimbo elijwayelekile iyatholakala ngesilinganiso sokucindezela okuphezulu nokuguquguquka.Ipayipi igcina idizayini enelungelo lobunikazi eyingqayizivele enokuqina okuphezulu nokufaka kalula.