Le mveliso ithatha ulwakhiwo olunemigangatho emininzi, kunye nokusebenza okunamandla okuthintelwa okuphezulu.Izinto eziphathekayo zomgangatho ophakathi yi-aluminium foil, enobungqina bomswakama, ubungqina bokukhanya, kunye ne-insulation efanelekileyo yamanzi, umsebenzi we-oxygen insulation.Enye into embindini wengxowa yinayiloni.Inamandla aphezulu okuqina, kodwa ikwanazo ukumelana nobushushu, ukumelana nokubanda, ukuxhathisa kwe-oyile kunye nokumelana ne-solvent ye-organic, ukumelana nokunxiba, ukuxhathisa okugqwesileyo kokugqobhoza.