Wogulitsa Pamwamba pa Sitima ya Sitimayo/Track Steel

Njanji ya njanji ndi gawo lofunikira kwambiri panjanji ya njanji, ndipo ntchito yake ndikuwongolera mawilo a sitimayo akupita patsogolo polimbana ndi kupanikizika kwakukulu kokankhidwa ndi mawilo.Sitima yachitsulo ipereka malo osalala, okhazikika komanso osasunthika pamawilo apamtunda.Mugawo la njanji yamagetsi kapena gawo la block block, njanji ya njanji imatha kugwiritsidwanso ntchito ngati njanji.

Njanji zamakono zonse zimagwiritsa ntchito zitsulo zotentha, ndipo zolakwika zing'onozing'ono muzitsulo zingakhale zoopsa ku chitetezo cha njanji ndi sitima yodutsa.Chifukwa chake njanji ziyenera kuyesedwa bwino kwambiri ndikukwaniritsa mulingo wabwinobwino.Njanji zachitsulo zitha kupsinjika kwambiri komanso kusagwirizana ndi kutsatira.Njanji yachitsulo idzakhala yopanda ming'alu yamkati ndikukhala yolimbana ndi kutopa ndi kukana kuvala.