Kudula ndi kujambula pogwiritsa ntchito laser - kusiyana kwake ndi kotani?

Kudula ndi Kujambula ndi Laser ndi njira ziwiri zomwe zimagwiritsidwa ntchito paukadaulo wa laser, womwe tsopano ndi njira yofunika kwambiri yopangira zinthu zokha. Amagwiritsidwa ntchito kwambiri mu…