Indawo yesicelo esibalulekileyo somnatha olukiweyo wentsimbi, lishishini lepetrochemical, olu hlobo lwentsimbi ephothiweyo olulukiweyo luyinto ekumgangatho ophezulu, ebaluleke kakhulu ekunikezeni umxholo we-alloy ekrwada, ukuchaneka kwe-micron ye-mesh kunye nocingo olwaphukileyo okanye ukuphelisa ucingo oluphindwe kabini.