7. Kudula sikolunjika podula zinthu zokhuthala?

Chifukwa 1: Nsanja yogwirira ntchito si yolunjika ku mutu wa laser.

Yankho: Sinthani nsanja yogwirira ntchito kuti ikhale yolunjika ku mutu wa laser.

Chifukwa 2: Kuyang'ana molakwika.

Yankho: Yasinthidwanso.

Chifukwa 3: Kusankha kwa Focus Lens sikolondola.

Yankho: Yasinthidwa ndi lenzi yolondola.