Imininingwane enzuzo
Indlela yokuthumela:Ulwandle
Ukubonisa umlingani
Isibonelo, ama-foil e-aluminium anemfuneko eziqinile zokunemba nokuphuma kobubanzi be-foil. Ahlolwa ngetekhnoloji yokugaya enembile kakhulu, futhi umzimba we-foil unokuqina okuphezulu, uhambisana nezidingo eziphezulu zengcindezi nokunemba kokugaya i-foil.