Simbi inopisa yakamoneredzwa inowanzo shandiswa muzvikamu umo kudzivirira ngura kusingakoshese.Pane maitiro anobvumira simbi inopisa yakakungurutswa kudzivirira ngura zvakare.Iyi nzira inodaidzwa kuti HRP&O - Inopisa yakakungurutswa yakabikwa uye yakazorwa mafuta.