Moderi UR na UM, Amavuta na Grease
U-Guhagarika ibice, moderi UR na UM, byashizweho byumwihariko kugirango bikoreshwe muri sisitemu yo gusiga amavuta.Ibicuruzwa byinshi bisohoka birahari bigufasha guhuza ibice bya valve kubisobanuro byawe byo gusiga.Utubari twa Crossport nabwo turaboneka kuburyo ushobora gusohora inshuro ebyiri aho bikenewe.
