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.
The Bridge of the sunglasses is the metallic piece that âbridgesâ the two lenses. The real aviators come with etched detailing on the inner side. Original Ray-Ban glasses come with etching of the brand name and the size of the lens for example, âRAY-BAN 54014â. If this etching wasnât there, then it is a fake product. 4.