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.
Ray Ban Ray-Ban New Wayfarer Light Ray Sunglasses, Gunmetal/Blue Mirror, 140-52-19 Ray-Ban. Available from these sellers. Five Stars - By benaiah rajendran (FLUSHING, NEW YORK, US) Great product, love the light feel and yet again from rayban, its a supremely crafted wayfarers.