In the past, academic circles believed that glassware was very rare in ancient times, so it should only be owned and used by a few ruling classes.
Esikhathini esedlule, imibuthano yezifundo yayikholelwa ukuthi i-glassware yayingavamile kakhulu ezikhathini zasendulo, ngakho-ke kufanele ibe ngeyabaphathi kuphela futhi isetshenziswe yizigaba ezimbalwa ezilawulayo.