Ukumelana nomlilo ophezulu kuyinzuzo eveleleyo yeengcango zeglasi ezingenamlilo. Iglasi yomnyango weglasi engatshiyo yeyeglasi engatshiyo, eyenziwe ngeglasi edadayo ekumgangatho ophezulu ngokusabela ngokomzimba nangokwekhemikhali kwaye inokutshiswa kwidangatye, ukuze kuphunyezwe isiphumo sokungaqhushumba kwaye kungabikho ukunyibilika ngaphakathi kwendawo ethile. ixesha.