Chidutswa cha masika cha mtundu wa S, chidutswa chapadera chomangirira makina a ulimi, chidutswa chachitsulo chosungira chitsulo cha masika, zowonjezera za makina a ulimi
Chophimba cha mtundu wa S-type spring ndi cholumikizira cha kiyi komanso chomangirira chomwe chimagwiritsidwa ntchito kwambiri mumakina a ulimi. Kapangidwe kake kapadera ka S-kokhala ndi zingwe ziwiri, kokhala ndi buckle iwiri, kuphatikiza kulimba kwambiri komanso kukana kutopa kwa chitsulo chapamwamba cha spring, kumapereka njira yolumikizira yodalirika komanso yogwiritsidwanso ntchito. Yopangidwa kuti ipirire kugwedezeka kwambiri, kugwedezeka, komanso malo okhala ndi katundu wambiri omwe makina alimi amakumana nawo akamagwira ntchito kumunda, ndi chisankho chabwino kwambiri chowonetsetsa kuti makina a ulimi akugwiritsa ntchito bwino ndikuletsa kumasuka kwa zigawo zofunika.
Zogulitsa zonse zimapangidwa ndi chitsulo cha boron chapamwamba kwambiri, pambuyo popangira ndi kukonza kutentha, kuti zitsimikizire kuti chinthucho chili ndi kulimba kokwanira komanso kukana kuwonongeka. Zogulitsazo zimatumizidwa ku Russia, Lithuania, Spain ndi mayiko ena, pambuyo poyesa zinthu zambirimbiri ndi makasitomala, magwiridwe antchito ake ndi apamwamba kwambiri.
