13. Ubunzulu bokukrola bahlukile kwindawo yokusebenza?

Isizathu 1: Umgama ongahambelaniyo phakathi kwento yokusebenza kunye nentloko yelaser.

Isisombululo: Lungisa itafile yokusebenza ukuze udibanise umgama phakathi kwento yokusebenza kunye nentloko yelaser.

Isizathu sesi-2: Ilensi ekhanyayo ingahlanjwanga okanye iqhekekile.

Isisombululo: Ukucoca nokutshintsha.

Isizathu sesi-3: Iingxaki zoyilo lwemizobo.

Isisombululo: Lungisa uyilo lwemizobo.

Isizathu sesi-4: Ukuphambuka kwendlela ebonakalayo.

Isisombululo: Ngokweendlela zokulungisa indlela ye-optical, lungisa kwakhona indlela ye-optical.