Ucingo lweglasi olungenafreyim ngokupheleleyo alunazo ezinye izinto ezijikeleze iglasi. Iibholiti zetsimbi zidla ngokusetyenziselwa ukufakwa kwayo.Sibonelela ngeglasi yeglasi eyi-8mm, ipaneli yeglasi eyi-10mm epholileyo, ipaneli yeglasi eyi-12mm epholileyo, ipaneli yeglasi epholileyo eyi-15mm, kunye neglasi epholileyo efanayo kunye neGlass efakwe Ubushushu.