1、Ukuxhumanisa Okuqinile Okunemisebenzi Enzima: Kunokwakheka kwengalo ye-parallelogram esanda kuqina enikeza ukuqina okuphezulu kwe-lateral kanye nokuqina komthwalo osindayo.
2. Ifasitela Lokulungisa Ukucindezeleka Okubonakalayo: Lithuthukiswe ngefasitela elisha lokulungisa phansi, elivumela abagibeli ukuthi balungise umthwalo wokumiswa kanye nokuqina ukuze kufane nesisindo sabo esiqondile (50 kg kuya ku-150 kg).
Thumela i-imeyili kithi




