Chikwama cha pulasitiki chokhazikika chomwe chingathe kubwezeredwanso, chodzithandizira pazipi

Matumba akunja opangira zakudya amagwiritsanso ntchito zinthu zosiyanasiyana, zomwe zambiri zimagwiritsa ntchito matumba apulasitiki opangira zinthu, chifukwa matumba apulasitiki opangira zinthu ndi opepuka, amakhala ndi zotsatira zabwino zosindikizira, ndipo ndi osavuta kusunga ndi kunyamula.

Zipi ya thumba la zipper yodzithandizira yokha itha kugwiritsidwanso ntchito kuteteza chakudya kuti chisawonongeke. ali ndi mwayi waukulu kwambiri.

Mwachitsanzo: zipatso zouma, mtedza, zokometsera zouma, chakudya cha ufa, ndi zakudya zomwe sizingadyedwe nthawi imodzi, ambiri a iwo amagwiritsa ntchito matumba apulasitiki okhala ndi zipi kapena matumba apulasitiki odzimatirira okhala ndi zomatira. Matumba olongedza zakudya okhala ndi zipper ndi matumba apulasitiki odzimatira okha ndi matumba apulasitiki. Chikwamacho chikatsegulidwa, chikhoza kusindikizidwa kawiri. Ngakhale kuti sichikhoza kukwaniritsa zotsatira za kusindikiza koyamba, kungagwiritsidwe ntchito ngati chitsimikizo cha tsiku ndi tsiku cha chinyezi komanso fumbi panthawi yochepa. Ndizothekabe.

Thumba loyimilira limatanthawuza thumba lokhazikika lokhazikika lomwe lili ndi dongosolo lothandizira lopingasa pansi, lomwe silidalira chithandizo chilichonse ndipo likhoza kuima palokha mosasamala kanthu kuti thumba latsegulidwa kapena ayi. Thumba loyimilira ndi mtundu wapachaka woyika, womwe uli ndi maubwino pakuwongolera mtundu wazinthu, kulimbitsa mawonekedwe a mashelufu, kunyamula, kosavuta kugwiritsa ntchito, kusunga mwatsopano komanso kusindikizidwa.

Kuphatikiza ziwirizi, thumba la zipper lodzithandizira lidawonekera. Landirani mawonekedwe omwe ali pamwambapa, ndikusankha zinthuzo, zomwe nthawi zambiri zimayikidwa ndi PET / zojambulazo / PET / PE, komanso zimatha kukhala ndi zigawo ziwiri, zigawo zitatu ndi zina zazinthu, malingana ndi zinthu zosiyanasiyana za phukusi, zikhoza kuwonjezeredwa. ngati pakufunika Chigawo cha chitetezo cha okosijeni chimachepetsa mphamvu ya okosijeni kuti ikwaniritse bwino pakutalikitsa moyo wa alumali.