China akatswiri thovu makina, thovu kudula makina & Chalk wopanga.
Chidachi chimagwiritsa ntchito njira yosinthira pafupipafupi.Kwa kudula pepala siponji.Kuwongolera kuchuluka kwachangu.Ntchito yosavuta ndi kudula molondola.Makinawa amathanso kukhala ndi zodzigudubuza.
Wodula uyu amatengera makina osinthira pafupipafupi.Amagwiritsidwa ntchito podula siponji pepala.Nambala yokhayo imayendetsedwa.Ndi ntchito yothandiza ndipo kudula ndikofanana.Makinawa amathanso kuperekedwa ndi zodzigudubuza.