Kunzwisisa Zvinhu Zvinhu ZvaPiston: Chikamu chinokosha cheinjini Zishandiswa Yezvikamu 1. Kutanga kuPiston Ring Grooves 2 Kukosha kwePiston Ring Grooves Injini 3 Kugadzira Uye chimiro chePiston Ring Grooves - 3.1 Marudzi ePiston Ring Grooves - 3.2 Zvakasarudzwa zvePiston Ring Grooves 4. Zvinhu zvePiston Ring Grooves muInjini Injini 5. II
