14. Ukuphahlazeka kwamakhanda e-laser amabili noma amakhanda e-laser akukwazi ukuhanjiswa kuya lapho kuqondiswa khona?
Isizathu 1: Ukunyakaza kwebanga elide kwekhanda le-laser liphuma ebangeni lokusetha.
Isixazululo: Ukulungiswa komsuka.
Isizathu sesi-2: Umsuka awuwubeki umsebenzi wokususa ikhanda le-laser ngaphandle kwebanga lokusetha.
Isixazululo: Setha kabusha bese ulungisa umsuka.
Isizathu sesi-3: Inkinga yokushintsha imvelaphi.
Isixazululo: Ukuhlola nokulungisa iswishi yomsuka.
