5. Ukukrolwa kwe-laser, ngamanye amaxesha kunamandla kwaye ngamanye amaxesha buthathaka okanye akukho laser ephumayo okanye i-laser ikhupha amanqaku amaninzi?

Isizathu 1: Ukugqabhuka kwelensi ezibonakalisayo.

Isisombululo: Buyisela ilensi ekhanyayo.

Isizathu sesi-2: A kunye ne-B kwiindawo zokubeka kwinzwa yamanzi zirulile okanye azixhunyiwe kakuhle.

Isisombululo: Jonga unxibelelwano kwaye uqinisekise ukuba amanzi ahamba kakuhle ukusuka kwindawo A ukuya ku-B.

Isizathu 3: Ukutshintsha kwendlela yokubona.

Isisombululo: Lungisa kwakhona indlela yokubona.

Isizathu 4: Cwangcisa kwiPhaneli yoLawulo.

Indlela yokusebenza: Lungisa kwakhona.

Isizathu sesi-5: Ukusebenza ixesha elide, ubushushu bamanzi etankini buphezulu kakhulu.

Isisombululo: Faka endaweni yamanzi okupholisa.