
Iigranuleyitha ezingenasisefo ezisebenza nge-23 rpm, ezifakwa ecaleni komatshini wokubumba ukuze ziqhube iisprue, zinamagumbi avulekileyo atyatyekwe ngenickel, ingxolo ephantsi neegranule ezinobungakanani obufanayo.
Iinkcukacha zobugcisa zinokutshintsha ngaphandle kwesaziso sangaphambili.