(1) Qhov saum npoo ntawm aluminium ntawv ci yog huv si thiab huv si thiab tsis muaj kab mob los yog microorganisms tuaj yeem loj hlob ntawm nws qhov chaw.
(2) Aluminium ntawv ci yog cov khoom ntim tsis muaj tshuaj lom uas tuaj yeem cuam tshuam ncaj qha nrog cov zaub mov tsis muaj kev phom sij rau kev noj qab haus huv.
(3) Aluminium ntawv ci yog cov khoom ntim tsis qab thiab tsis muaj ntxhiab thiab yuav tsis ua rau muaj ntxhiab tsw rau cov zaub mov uas nws tau ntim rau hauv.
(4) Yog tias cov ntawv ci nws tus kheej tsis hloov pauv, nws yuav tsis qhuav tawm lossis poob ntawm nws tus kheej lossis ntawm cov khoom ntim.
