Agafuka gafata umunwa gafasha umuntu kwisukira cyangwa kunyunyuza ibirimo, kandi gashobora kongera gufungwa no gufungurwa icyarimwe, ibyo bikaba bishobora gufatwa nk'uruvange rw'agafuka gafasha umuntu kwisukira n'umunwa usanzwe w'icupa. Ubu bwoko bw'agafuka gafasha umuntu kwisukira muri rusange gakoreshwa mu gupfunyika ibintu by'ingenzi bya buri munsi, kandi gakoreshwa mu gushyiramo ibintu by'amazi, ibinyobwa bya colloidal n'ibikomeye nk'ibinyobwa, gel zo kwiyuhagira, shampoo, ketchup, amavuta yo kurya, na jeli.
Umufuka w'umunwa ni ubwoko bushya bw'umufuka upfunyitse, kuko hari isahani hepfo ishobora gupfunyika umufuka, bityo ikaba ishobora kwihagararaho igakina nk'ikintu gipfunyitse.
Imifuka y'iminwa ikoreshwa mu gupakira ibiryo, ibikoresho by'ikoranabuhanga, umunwa wa buri munsi, nibindi. Ku rundi ruhande, imifuka y'iminwa ikoreshwa mu gupakira ibiryo ikoreshwa mu gupakira ibinyobwa byigenga ikoreshwa cyane mu gupakira ibinyobwa by'umutobe, ibinyobwa bya siporo, ibinyobwa biri mu macupa, jeli, n'ibirungo. Ni ukuvuga, ku bicuruzwa bifitanye isano no gupakira nk'ifu n'ibinyobwa. Ibi bishobora gukumira amazi n'ifu gusohoka, byoroshye gutwara, kandi byoroshye gufungura no gukoresha konti inshuro nyinshi.
Agafuka k'umunwa gakozwe kugira ngo gahagarare neza ku gikoresho gishushanyijeho amashusho y'amabara menshi, agaragaza ishusho nziza y'ikirango, byoroshye gukurura ibitekerezo by'abaguzi, kandi kagahuza n'uburyo bugezweho bwo kugurisha mu maduka manini. Abakiriya bazamenya ubwiza bwako nyuma yo kugakoresha rimwe, kandi abakiriya bakakirwa neza.
Kubera ko ibyiza by'amasashe yo mu bwoko bwa puut bisobanuka ku baguzi benshi, kandi hakongerwa ubumenyi ku kurengera ibidukikije, gukoresha amasashe yo mu bwoko bwa puut yishingikirizaho aho gukoresha amacupa n'ibikapu, aho gukoresha amasashe yo mu bwoko bwa puut asanzwe adafunga, bizaba inzira y'iterambere ry'ejo hazaza.
Izi nyungu zishobora gutuma agafuka k'umuyoboro wishingikirizaho kaba kamwe mu dupaki twihuta mu nganda zipakira, kandi gafatwa nk'agakoresho gasanzwe ko gupakira kagezweho. Agafuka k'umuyoboro karakoreshwa cyane, kandi gafite imiterere myinshi mu bijyanye n'udupaki twa pulasitiki. Hariho udupaki two gupakira mu bijyanye n'ibinyobwa, amazi yo kumesa, n'imiti. Hariho igipfundikizo kizunguruka ku gafuka k'umuyoboro upfukirana. Nyuma yo gufungura, ntigashobora gukoreshwa. Gashobora gukomeza gukoreshwa nyuma yo gupfundikirwa. Ntigahumeka, ni isuku, kandi ntigapfa ubusa.
Umuyoboro wihariye.
Yagura hasi kugira ngo uhagarare.