Ultra Violet or U.V. rays are communly used to get what is communly known as a "Tan" though they are also communly used to heat greenhouses and also to provide power using "Solar Panels" which use Silicon, which producess electricity when heated, to produce vary offten times Large yeilds of electrical charge.
ultra violet rays
ultra violet rays Actually, it's spelled ultraviolet rays.
UV (ultra violet) rays! :)
Ultra Violet Rays
ultra violet waves
Ultra violet radiation or UV rays are harmful. Ozone protects us from it.
ultra violet rays
"ozone"
no
UV rays? or Ultra Violet rays
Eleanor Hilda Russell has written: 'Ultra-violet radiation and actinotherapy' -- subject(s): Ultra-violet rays, Spectrum, Ultra-violet, Phototherapy
Ozone layer.