9. Ukukhishwa kwe-laser akusalawuleki.Ilokhu ikhipha noma kungekho sicelo senqubo esidingekayo?

Indlela 1: Thola ikhompyutha yakho ukuze uhlole ukuthi ingabe ithintekile ngegciwane.

Indlela yesi-2: Imigqa yesiginali ye-Optical ihlehlisiwe, buyisela ukuxhumana okulungile.