Umugqa wokukhiqiza uyisitshalo esiphelele sokwenza izinhlobo ezahlukene zamaswidi aqinile akhiwe ngobumba.
Lonke ulayini luqukethe izipheki, iyunithi yokupheka isiraphu ye-vacuum micro-film, i-depositor, uhlelo lokupholisa lwezimboni, amaphampu egiya, amaphampu okulinganisa, isilawuli nokunye.


















































































































