Ana amfani da igiyoyi masu hakar ma'adanai a cikin nau'ikan aikace-aikacen hakar ma'adinai daban-daban kuma ana nufin yin aiki na dogon lokaci a cikin mawuyacin yanayi, yayin samar da mafi girman matakan aminci da yawan aiki. Waɗannan igiyoyi suna ba da sassauci mai kyau, torsion da jan juriya, ban da wutar lantarki ta musamman, sigogin zafin jiki, abrasion da juriya na wuta.
