Busa sandunaɓangarorin ƙarfe ne masu kauri, galibi wasu cakuda chrome ne, waɗanda aka ƙirƙira don manufar wargajewa yadda ya kamata kamar kwalta, kankare, farar ƙasa, da sauransu.

Buga mashayawani bangare ne mai mahimmanci yayin aiwatar da murkushewa tare daa kwance shaft tasiri. Ana zaɓar kayan sandunan busa yawanci bisa ga aikin murkushe tasiri.

Lokacin da aka saita a cikin masu murƙushe tasirin a kwance, ana shigar da sandunan busa a cikinrotorkuma yana jujjuyawa a cikin babban gudu, yana sa duka taron rotor yana jujjuyawa akai-akai yana bugun kayan. A lokacin wannan tsari, dabugu barkarye kayan har sai ya hadu da girman da ya dace ya fadi ta cikintasiri crusher jam'iyya.