Assertion: laser's wavelength | /r/HasProperty | recommended for issue
Facets:
value: regarding tissues
type: OTHER
value: regarding joints
type: OTHER
value: regarding muscles
type: OTHER
Source sentences:
text: The machines use both red and near infrared light, with the 660 nm red wavelength being suitable for skin rejuvenation & surface smoothing, and the 850 nm near-infrared wavelength being recommended for issues regarding tissues, joints and muscles.