1. Isikhwama esivaliwe esinamahlangothi ayisishiyagalombili singama sizinzile, okuvumela ukuboniswa eshalofini futhi sidonsela ukunaka kwabathengi ngokujulile; ngokuvamile emikhakheni eminingi efana nezithelo ezomisiwe, amantongomane, izilwane ezifuywayo ezinhle, ukudla okulula, njll.
2. Isikhwama sokuvala esinezinhlangothi eziyisishiyagalombili sisebenzisa inqubo yokuhlanganisa eguquguqukayo, futhi izinto ziyahlukahluka kakhulu. Ngokuya ngobukhulu bezinto, izakhiwo zokuvimbela umswakama nomoya-mpilo, umphumela wensimbi kanye nomphumela wokuphrinta, izinzuzo zinkulu kakhulu kunezebhokisi elilodwa;
3. Kunamakhasi ayisishiyagalombili aphrintiwe esikhwameni esivaliwe esinamacala ayisishiyagalombili, anezindawo ezanele zokuchaza ukuthengiswa komkhiqizo noma ulimi, futhi imikhiqizo yokuthengisa yomhlaba wonke ikhuthazwa ukusetshenziswa. Ukuboniswa kolwazi lomkhiqizo kuphelele. Yazisa amakhasimende kabanzi ngemikhiqizo yakho.
4. amandla okuklama ubuchwepheshe ngaphambi kokucindezela kwesikhwama sokuvala esinezinhlangothi eziyisishiyagalombili, isikhwama singasiza amakhasimende ukuthi akhethe uhlelo lokuklama umkhiqizo olungcono kakhulu, sisize amakhasimende ukuthi athuthukise ikhwalithi yomkhiqizo, onge izindleko, futhi andise izinzuzo zamakhasimende.
5. Isikhwama se-zipper esivala izinhlangothi eziyisishiyagalombili sifakwe i-zipper engasetshenziswa kabusha. Abathengi bangavula futhi bavale i-zipper, kodwa ibhokisi alikwazi ukuncintisana; isikhwama sinokubukeka okuhlukile, qaphela ukwenziwa komgunyathi, futhi kulula kubathengi ukukubona, okuhambisana nokwakha uphawu; Ukuphrinta umbala, umkhiqizo unokubukeka okuhle, futhi unomthelela omkhulu wokukhangisa
I-zipper yohlobo lwe-T kulula ukuyisebenzisa futhi ingasetshenziswa kabusha.
Izinto ze-aluminium foil, ezilungele ukugcinwa kokudla.
Yonke imikhiqizo ihlolwa ngokuphoqelekile ngelebhu ye-QA yanamuhla futhi ithola isitifiketi selungelo lobunikazi.