Isitya sevili
Inxalenye yangaphandle yevili engashukumiyo: umphetho womthi okanye wento edityanisiweyo ogcina umzila webhola ne-apron, ngaphakathi kwawo kujikeleza irotha.
Kumxholo
Isitya esithambekileyo sisizathu esiqhelekileyo sendawo yokuwa enokuqikelelwa; iikhasino zilungelelanisa amavili ngesilinganisi-moya kulo lonke uhlolo.
Abadlali bokuqala abazama ukufumana inzuzo babekhangela ukuthambeka ngokubukela apho ibholaizixhoboIbholaIbhola encinci ephoswa emzileni ngokuchasene nerotha. Iibhola zanamhlanje zenziwe nge-ivorine okanye nge-Teflon, zi-18–21 mm.Funda yonke → ishiya khona umzila; abenzi baphendula ngeenyawo ezilungelelaniswayo nesilinganisi-moya esifakwe kwisiseko.