Virex 60*60*140 masentimita amakula hema wokhala ndi zolowera mpweya komanso zenera la mauna .Nyengo yolowera mpweya imatha kugwiritsa ntchito fyuluta ya kaboni, zowombera zolowera m'mizere, ndi zina zambiri; ndipo mazenera a mauna abwino a mpweya wabwino amalowa pawindo.