Ibyiza by'agakapu k'umunwa.
1. Isakoshi yo gupakira ifite ubushobozi bwo gufunga neza, ikomeye neza mu bikoresho bivanze, ntiyoroshye kuyimena cyangwa kuyivanamo, ni nto mu buremere, ikoresha ibikoresho bike, kandi yoroshye kuyitwara. Muri icyo gihe, ibikoresho byo gupakira bifite ubushobozi bwo hejuru nko kurwanya static, kurwanya ultraviolet, gukumira ogisijeni, kwirinda ubushuhe, no gufunga byoroshye.
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2. Isakoshi yo guhagarara ishobora gushyirwa ku gipangu, ibyo bigatuma igaragara neza, ihendutse kandi ihendutse.
3. Ifite karuboni nke, ntingiza ibidukikije, kandi ishobora kongera gukoreshwa: Gupfunyika byoroshye nk'amasashi ahagararaho bikoresha ibikoresho bishya bya polymer nk'ibikoresho fatizo, bityo bigira umusaruro ukomeye mu kurengera ibidukikije kandi bishobora kongera gukoreshwa no kongera gukoreshwa.
4. Yoroshye kandi yihuta, ifata ahantu hato: Isakoshi yo gupfunyikamo izipu ifite ishusho nziza, isakoshi irakomeye, ifite ishusho nto kandi nziza, ishobora gupfunyika no gupimwa, nta hantu na hamwe ifata, kandi yoroshye kuyitwara.
5. Amasakoshi yo kwihagararaho yizewe kandi yizewe ashobora kurinda umutekano w'ibicuruzwa byacu mu gihe cyo kubitwara no kugabanya ibyago byo kubitwara.