I-Nickel- kunye ne-corosion esekwe kwi-Nickel- kunye ne-Cobambuzo-, kwaye inxibe-kwaye inxibe i-Alstelloy B2, ihlelwe njenge-Dottelloy B2, ihlelwe njenge-mafting, kodwa kufuneka igxininiswe into yokuba ezi zakhiwo zinokuveliswa ngesantya esiqinisekisiweyo. Ngexesha lematshini, aba babele basebenza ngokukhawuleza, bevele ubushushu obuphakathi ngexesha lokusika, bedd kwisixhobo sokusika, kwaye baxhathise kakhulu isixhobo esiphezulu sokususwa kwentsimbi.