Umuntu wese ukunda ikawa kandi akayirya azakubwira ko hari byinshi byo kubika no kuyikora uretse kuvanga gusa imbuto za kawa n'amazi ashyushye abira. Ubusanzwe, ikawa yasimbuwe n'ibinyampeke byazaga bipfunyitse mu macupa cyangwa mu dusanduku tw'amakarito, hanyuma bigasimbuzwa amacupa y'ibirahuri. Ariko, abakora ikawa n'abaguzi batangiye kubona ko ibyo bikoresho byo gupfunyikamo ikawa bidakora.'Mu by’ukuri bigira uruhare mu buryo ubwo aribwo bwose mu kurinda ibicuruzwa biri imbere. Ubu buryo gakondo bwo gupfunyika butuma amazi yinjira, bigatuma ibihumyo bikura mu bicuruzwa, bityo bigatuma bidakoreshwa. Hakoreshejwe flex pack'Ariko, urashobora kwemeza ko ipaki yawe ya kawa ikoresha uburyo bworoshye izarinda ubushuhe kwinjira mu gikoresho kandi ifu yawe ya kawa izakomeza kuba yumye igihe kirekire, bigatuma umusaruro uramba kandi urusheho gukoreshwa.
