SD2200 ke mochini o sebetsang ka bongata oa haeteroliki o nang le mahlale a mahlale a tsoetseng pele a machabeng. E ke ke ea cheka feela liqubu tse boreleli, ho cheka pherekano, khatello e matla holim'a motheo o bonolo, empa e na le mesebetsi eohle ea ho cheka rig le ho khasa. E boetse e feta moetlo oa ho cheka oa rotary, o joalo ka ho cheka sekoti se tebileng haholo, motswako o phethahetseng o nang le lisebelisoa tse felletseng tsa ho cheka litene ho etsa mosebetsi o rarahaneng.