Answer
Lalacewar rami yana da haɗari saboda yana haifar da ''micro-notches' na gida wanda ke rage ƙarancin juriyar gajiya sosai. A cikin silinda na ruwa, zoben yana ƙarƙashin tashin hankali ko matsawa akai-akai. Ramin zai iya canzawa da sauri zuwa tsagewar gajiya saboda tsananin damuwa a gindin ramin. Don na'ura mai aiki da karfin ruwa na karkashin teku, 316 Bakin Karfe shine mafi ƙarancin abin da ake buƙata, amma don tsarin matsa lamba, Inconel 718 galibi ana amfani da shi saboda babban abun ciki na nickel da Chromium yana hana ƙaddamar da rami ko da a cikin ruwan tekun da ke daure a cikin rami.