14. Ukuphahlazeka kwamakhanda amabili e-laser noma amakhanda e-laser akukwazi ukuthuthelwa kwenye indawo?

Isizathu 1: Ukunyakaza kwekhanda le-laser ibanga elide ngaphandle kobubanzi bokusetha.

Isixazululo: Ukulungiswa kwemvelaphi.

Isizathu sesi-2: Umsuka awubeki umsebenzi wokususa ikhanda le-laser ebangeni lokusetha.

Isixazululo: Setha kabusha futhi ulungise imvelaphi.

Isizathu 3: Inkinga yokushintsha kwesiqalo.

Isixazululo: Ukuhlola nokulungisa inkinobho yokuqala.