Ukuvalwa kwe-aluminium-foil kokugcwalisa kabusha kuhlukanisa ngempumelelo ukungcola kwangaphandle ngesikhathi sokuthuthwa, ukugcinwa kwempahla, nangaphambi kokuvulwa, kuqinisekisa ikhwalithi yokhilimu. Abanikazi bomkhiqizo akudingeki bakhathazeke kakhulu ngezinkinga zokuthengisa ngemuva kokuthengiswa ezibangelwa ukungcola komkhiqizo, ngaleyo ndlela balondoloze idumela lomkhiqizo.
Idizayini yesivalo - engagcwalisi kakhulu, uma ifaniswa nebhodlela langaphandle, kulula ukuyisebenzisa futhi yamukeleka kakhulu kubathengi. Ulwazi oluhle lomsebenzisi lungathuthukisa ukuthandwa kwabathengi kanye nokwethembeka kwabo kumkhiqizo, futhi luqongelele isisekelo samakhasimende esizinzile sabanikazi bomkhiqizo.
Yenziwe ngezinto ze-PP, iwumkhiqizo ongasetshenziswa kabusha. Umklamo wokugcwalisa kabusha uvumela ibhodlela langaphandle ukuthi lisetshenziswe kabusha, kunciphisa imfucuza yokupakisha, kuhambisane nomqondo wamanje onobungani nemvelo, futhi kukhombisa umthwalo wemfanelo womphakathi womkhiqizo.
Izinto ze-PP kulula ukuzicubungula, okuvumela izinhlobo ukuthi zenze ngokwezifiso ezihlukahlukene esivalweni sangaphandle, ebhodleleni langaphandle, nasebhodleleni langaphakathi ngokwesimo sazo kanye nesitayela somkhiqizo. Kungakhathaliseki ukuthi umbala, ukuma, noma amaphethini okuphrinta, kungahlangabezana nezidingo zomkhiqizo ezenziwe ngokwezifiso futhi kudale uhlelo oluhlukile lokubona lomkhiqizo. Le nsizakalo eyenziwe ngokwezifiso ayigcini nje ngokuthuthukisa ukuncintisana kwemakethe yomkhiqizo kodwa futhi ithuthukisa ukuqashelwa komkhiqizo kanye namaphuzu okukhumbula.
| Into | Umthamo (g) | Usayizi(mm) | Izinto |
| I-PJ97 | 30 | D52*H39.5 | Isivalo sangaphandle: PP; Ibhodlela langaphandle: PP; Ibhodlela langaphakathi: PP |
| I-PJ97 | 50 | D59*H45 | |
| I-PJ97 | 100 | D71*H53MM |