Aosite, kuyambira 1993
Hinges, omwe amadziwikanso kuti hinges, ndi zida zamakina zomwe zimagwiritsidwa ntchito kulumikiza zolimba ziwiri ndikulola kasinthasintha pakati pawo. Hinge ikhoza kupangidwa ndi zinthu zosunthika kapena zopangidwa ndi zinthu zopindika. Mahinji amaikidwa makamaka pazitseko ndi mazenera, pamene mahinji amaikidwa pa makabati. Malingana ndi kagawidwe kazinthu, zimagawidwa makamaka muzitsulo zosapanga dzimbiri ndi zitsulo zachitsulo. Pofuna kulola anthu kuti azisangalala ndi hinge ya hydraulic (yomwe imadziwikanso kuti damping hinge) Chikhalidwe chake ndi kubweretsa ntchito ya buffer pamene chitseko cha nduna chatsekedwa, chomwe chimachepetsa phokoso lotulutsidwa ndi chitseko cha nduna pamene chikuwombana ndi thupi la nduna.