Gupakira, kubika no kwerekana ibicuruzwa byawe bipfunyitse mubikusanyirizo biheruka byamafunguro meza yo mu rwego rwo hejuru. Ibyo bikoresho biraboneka muburyo butandukanye no mubunini kubyo ukeneye gupakira.

Ibibindi bya Mason, amajerekani ya silinderi, amajerekani ya ergo, ibibindi bya hexagon, ibibindi bya Paragon, hamwe n’ibibindi bitandukanye bya kare kandi bizengurutse ibirahuri nibyo bicuruzwa byagurishijwe cyane byuzuye ibirahuri. Bika neza jam, ubuki, isosi, ibirungo n'ibijumba nibindi byinshi muribi bikoresho.

Urutonde rwibiribwa byurwego rwibiribwa rutanga ibishushanyo bizwi cyane hamwe nubwoko butandukanye bwo gufunga, harimo imipira ihindagurika, imipira ya screw, imipira ya pulasitike hamwe nudusuka. Gura icyegeranyo cyibiribwa byabitswe neza hamwe nibibindi kugirango ubone ibibindi byinshi byo kugurisha ibicuruzwa byawe.