<e1>Lasers</e1> work by using various soft pulsing light <e2>wavelengths</e2> and intensities to help reshape scar tissue.
Lasers work by using
Lasers work by using various soft pulsing light wavelengths and intensities to help reshape scar tissue.
<triplet> Lasers <subject> wavelengths <object> Instrument-Agency(e2,e1)