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.
All of our Radiation Eyewear Frames come standard with .75 Pb Lead Equivalency, High-Lite Transmission Lenses with 20% More Visible Light, 1.80 High Index Lenses. Liquid proof Radiation dental aprons with No-slip underside. Offers .375mm Pb equivalency protection and features two hanging loops.