Official Answer
Answer
Wurin tuntuɓar maɓuɓɓugan igiyar ruwa (kololuwar) suna zamewa kadan a kan saman magudanar ruwa yayin da ake matsa ruwan bazara. Idan mating surface ya yi muni sosai ($ Ra> 63 \ mu a cikin $), kololuwar bazara za su fuskanci lalacewa mai lalacewa, rage kaurin kayan $t$ da rage ƙarfin lodi akan lokaci ($ P \ propto t ^ 3 $). Akasin haka, idan saman ya yi santsi sosai, 'stiction' na iya faruwa. Don aikace-aikacen babban zagayowar, ƙarshen saman $16-32 \ mu a cikin Ra$ ya dace. An gwammace filaye masu tauri (misali, ƙarfe-taurara) don hana bazara daga 'brinelling' ko ƙirƙirar indentations, wanda zai canza ingantaccen tsayin aiki da kaya.
