Senze kokubili umugqa wokukhiqiza ingilazi ovundlile kanye nome mpo ukuze uhlangabezane nezidingo zamakhasimende ahlukene.Imishini ingasetshenziswa ukwenza iyunithi yengilazi ye-aluminium spacer yendabuko kanye neyunithi yengilazi ye-super spacer insulated futhi.
