Asihlinzeki nje kuphela ngemikhiqizo egcina izinga eliphezulu lokushisa eliphezulu yokonga amandla, kodwa futhi sihlinzeka nge-thermal insulation, ukwahlukanisa, ukubonisana ngobunjiniyela bokufaka uphawu, izinsizakalo zokuklama nezokwakha emkhakheni wokushisa okuphezulu.Ubuchwepheshe bethu obuyindida kanye nedizayini ethuthukisiwe yonga amandla futhi ikudalele inani.