Lasers produce beams that are:
photons coherent laboratory dangerous electricity diode xenon positive
A B C D E F G H
Lasers, for instance, produce coherent light.
Lasers are used to produce a beam that is coherent.
Lasers produce beams that are: (A) photons (B) coherent (C) laboratory (D) dangerous (E) electricity (F) diode (G) xenon (H) positive