Siye saphuhlisa umgca wemveliso yeglasi yokukhusela i-spacer ethe tye nethe nkqo ukuze sihlangabezane neemfuno zabathengi ezahlukeneyo. Oomatshini bangasetyenziselwa ukwenza iyunithi yeglasi yokukhusela i-aluminium spacer yendabuko kunye neyunithi yeglasi yokukhusela i-super spacer.
