1. Chikwama chosindikizidwa cha mbali zisanu ndi zitatu chimatha kuyima mokhazikika, chomwe chimapangitsa kuti mashelufu awonetsedwe ndipo amakopa chidwi cha ogula; kawirikawiri m'minda yambiri monga zipatso zouma, mtedza, ziweto zokongola, zakudya zopsereza, ndi zina zotero.
2. Chikwama chosindikizira cha mbali zisanu ndi zitatu chimatenga njira yosinthira yophatikizira, ndipo zida zake zimasiyana mosiyanasiyana. Malinga ndi makulidwe azinthu, zotchinga za chinyezi ndi mpweya, mphamvu yachitsulo ndi kusindikiza, zopindulitsa zimakhaladi zazikulu kuposa bokosi limodzi;
3. Pali masamba asanu ndi atatu osindikizidwa mu thumba losindikizidwa la mbali zisanu ndi zitatu, lomwe lili ndi malo okwanira ofotokozera malonda kapena malonda a chinenero, ndipo malonda ogulitsa padziko lonse amalimbikitsidwa kuti agwiritsidwe ntchito. Chidziwitso chazinthu zamalonda chimakhala chokwanira. Adziwitseni makasitomala zambiri za malonda anu.
4. Mphamvu yopangira ukadaulo wa pre-press ya thumba losindikizira la mbali zisanu ndi zitatu, thumba limatha kuthandiza makasitomala kusankha njira yabwino kwambiri yopangira zinthu, kuthandiza makasitomala kukonza zabwino, kupulumutsa ndalama, komanso kukulitsa mapindu a makasitomala.
5. Chikwama cha zipi chosindikizira cha mbali zisanu ndi zitatu chili ndi zipi zogwiritsidwanso ntchito. Ogula akhoza kutsegulanso ndi kutseka zipper, koma bokosi silingathe kupikisana; thumba lili ndi maonekedwe apadera, samalani ndi zonyenga, komanso zosavuta kuti ogula azindikire, zomwe zimagwirizana ndi zomangamanga; Kusindikiza kwamitundu, mankhwalawa ali ndi mawonekedwe okongola, ndipo ali ndi mphamvu yotsatsira
Zipper yamtundu wa T ndiyosavuta kugwiritsa ntchito ndipo imatha kugwiritsidwanso ntchito.
Aluminium zojambulazo zakuthupi, zomwe zimathandizira kusungirako chakudya.
Zogulitsa zonse zimayesedwa kovomerezeka ndi labu ya iyr yapamwamba kwambiri ya QA Ndikupeza satifiketi ya patent.