Amafreyimu we-optical wabesilisa nabesifazane ajwayelekile, uhlaka lwensimbi, imikhiqizo yochungechunge yenziwe ngokwezifiso ngezinhlobo zefreyimu ehlukahlukene ukuze ivumelane nokwakheka kobuso obuhlukile, futhi intengo ifanele isitayela samazwe aseMpumalanga Ephakathi.