Chida cha magwiridwe antchito Magetsi oyendetsa njinga zamoto Makina oyesera oyesa Chassis Dynamometer Robot mkono Blovi Hardness Tyer Ma microscogracc Molotive Oxtzer Makina a nkhanu Makina oyesera oyesa Carbon ndi sulfure Mlandu Wamchere Woyesa Chipinda Chachipinda Carbon ndi sulfure
