Official Answer
Answer
Amostic amo a cikin majalissar raƙuman ruwa na raƙuman ruwa yawanci ana haifar da su ne ta hanyar 'slip-slip' tsakanin bazara da gidaje (bore) ko tsakanin jujjuyawar bazara. Yayin da bazara ke jujjuyawa, diamita ya canza, kuma idan mahaɗin ya bushe ko kuma ƙarshen saman ya yi muni sosai (misali, $> 32$ RMS), bazarar tana 'tattara' maimakon zamewa lafiya. Wannan ya zama ruwan dare a majalissar tuƙi. Shirya matsala ya ƙunshi duba alamun lalacewa a bangon da ya bushe. Maganin sau da yawa shine aikace-aikacen mai mai bushe-fim (kamar PTFE ko $\rubutu{MoS}_2$) zuwa bazara ko haɓaka ƙarshen farfajiyar gidaje. A wasu lokuta, canzawa zuwa wani abu na daban kamar Beryllium Copper na iya rage hayaniya saboda bambancin juzu'in sa.
