Irangi ryera mu nzira yo gucapura, hari ingingo zitatu, imwe ni ugutuma ikigereranyo gikomeza, gukora Bishobora gukizwa igihe kirekire; ica kabiri ni ugutuma umuntu agira inyiyumvo yo gukora no gutera, Ivyuma bikora ku mubiri, birashobora kwumva ko ari vyo bipfutse; ica gatatu ni ugutuma habaho ingaruka zo gucapura, Mu kintu c’umwiza canke ibikoresho vy’inyuma, bituma bisa n’ibikayangana .
Uburyo bwo kugerageza 1:
Igerageza ry'irangi ryera . Ni umugenzo wo gushiramwo ibikoresho bicapwa ku wino yera (nk’ikirahuri, amatile, n’ibindi .) mu mazi kugira ngo umuntu atore, amasaha 2 aheze, reba ibikoresho n’intoke zawe kugira ngo utere, nimba ushobora guca mu nzira y’ubugwaneza, ukwifatanya n’ugukingira amazi y’umweru ni umukene, ukeneye gusubirira irangi rishasha ryera{0}}
Uburyo bwo kugerageza 2:
Igerageza ry’ugupima . Hitamwo igipfukisho c’ibirahuri gikoreshwa cane, icuma co gupfuka ivyuma kugira ngo uhanagure uburebure bw’ico gikoresho, hanyuma uce ucapura wino yera; canke yuzuye varnish iri ku ruhande rw’irangi ryera kugira ngo yihweze nimba igaragara, ipfutse ku ruhande rw’igishushanyo. Niba ari uko biri, uguhuza kw’irangi ryera ni ribi, rikeneye gusubirira irangi rishasha ryera .
Uburyo bwo kugerageza 3:
Ubusuku bwo gupima . Ubusuku bw’irangi ryera karagira ico bukoze ku buzima bw’umutwe w’icapa n’ingaruka z’igishushanyo cacapuwe. Iyo wino yera arimwo ibihumanye vyinshi, buhoro buhoro bizokwirundanira mu nzira y’imbere y’umutwe w’icapa mu gukoresha mu nyuma, inyuma y’igihe kirekire, bizoteza ugufunga bipfutse . Uburyo bwo kugerageza ni ugushira akayunguruzo ku gusohoka, gusuka irindi cupa ry’ubusa, rondera ibisigazwa vy’iyunguruzo, Niba hariho ibisigazwa vyinshi, vyerekana ko ubusuku ari bubi .
