Chitoliro choyenera ndi chigawo chomwe chimagwirizanitsa chitoliro mu chitoliro. Malinga ndi njira yolumikizirana, imatha kugawidwa m'mitundu inayi: kuyika chitoliro cha socket, kuyika chitoliro cha ulusi, chitoliro cha flanged ndi chitoliro chowotcherera. Chigongono chimagwiritsidwa ntchito kuti chitoliro chitembenuke; flange imagwiritsidwa ntchito popanga chitoliro Zigawo zolumikizidwa ndi chitoliro zimalumikizidwa kumapeto kwa chitoliro, chitoliro cha tee chimagwiritsidwa ntchito pamalo pomwe mapaipi atatu amasonkhanitsidwa, chitoliro chanjira zinayi (chitoliro) chimagwiritsidwa ntchito pamalowo. kumene mapaipi anayi amasonkhanitsidwa, ndipo chitoliro chochepetsera chimagwiritsidwa ntchito polumikiza mapaipi awiri amitundu yosiyanasiyana ya chitoliro.