Nsalu yonyezimira yamoto yowunikira imakhala ndi zoteteza zoteteza moto, kuwotcha kwamoto, kukana kutentha kwambiri komanso chenjezo lachitetezo.Amagwiritsidwa ntchito kwambiri m'magawo ogwirira ntchito omwe ali ndi zofunikira zambiri monga magalimoto, chitetezo cha moto ndi magetsi, komanso zinthu zotetezera chitetezo zomwe zimakhala ndi zofunikira kwambiri pa kutentha kwapamwamba komanso kuyeretsa kouma kwa nsalu.
Nsalu yapansi ya nsalu yowonetsera moto yowonongeka imapangidwa ndi thonje loyera kapena aramid, zomwe zimakhala zosavuta kufalitsa.Pambuyo pokonza zokutira zapadera, zimakhala ndi ntchito yapadera yoletsa moto.Zinthuzi, zomwe sizimangogwira ntchito ya chenjezo lowunikira komanso kukhala zotetezeka komanso zoletsa moto, mosakayikira zakhala chisankho chokondedwa cha zinthu zoteteza moto.Kugwiritsiridwa ntchito kwa nsalu yonyezimira yoyaka moto kumawonedwa muzovala zotetezera moto, nsapato, zipewa ndi zina.