Fufuro yeMafuta muRussia

Mafuta emotokari yemotokari uye mafuta edizieri ndiyo mhando yemitero inobhadharwa nevashambadziri nemasangano. Kubviswa kwavo kunoitwa mukushanda kwemamwe mabhizimisi emabasa, kusanganisira kutengesa kwezvinhu zviri mumuganhu wetsika ...