Currents may also be generated by density differences in water masses caused by temperature and salinity variations. These currents move water masses through the deep oceanâtaking nutrients, oxygen, and heat with them. Occasional events also trigger serious currents. Huge storms move water masses.
Ray-ban and most other manufacturers frames are made from Plastic compounds. Ray-ban used to make all its glasses out of 'glass'. Now it makes its sunglass products out of scratch resistent plastics. Often they will 'feel' like glass but are in fact most usually plastic production.
Answers (3) 1  Well, as a matter of fact, Ray Ban sunglasses is one of the most renowned eyewear producer in the world. 2  Yeah, of course they have the serial No. on every authentic Ray-ban sunglasses. 3  Ray-Ban sunglasses are popular with many people included superstars, such as Eric Church who always wears Ray-Ban Wayfarers. Bausch & Lomb founded Ray-Ban, an American brand of sunglasses in 1937 and Ray-Ban Wayfarer sunglasses have been manufactured by Ray-Ban since 1956, when their design was a revolutionary break from the metal eyewear of the past.