Sab hauv thiab sab nrauv ntawm cov yeeb nkab aluminium-yas yog ua los ntawm cov khoom siv tshwj xeeb polyethylene, uas yog huv si, tsis muaj tshuaj lom thiab du. Yuav siv tau rau ntau tshaj tsib caug xyoo. Cov txheej txheem aluminium nruab nrab tuaj yeem 100% cais cov pa nkag, tso cai rau cov yeeb nkab kom muaj qhov zoo ntawm cov kav hlau thiab yas, thaum tshem tawm qhov tsis zoo ntawm txhua qhov.