11. Kujambula mphamvu ya laser mwadzidzidzi?

Chifukwa 1: Kugwira ntchito kwa nthawi yayitali, kutentha kwa madzi mu thanki kumakhala kokwera kwambiri.

Yankho: Sinthani madzi ozizira.

Chifukwa chachiwiri: Lenzi yowala yosatsukidwa kapena yosweka.

Yankho: Kuyeretsa ndi kusintha.

Chifukwa 3: Focus Lens yosatsukidwa kapena kuphulika.

Yankho: kuyeretsa ndi kusintha.