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.
Shuron Ronsir Zyl Eyeglasses are made of an Acetate frame and a lower metal rim; Metal Rim is made of Monel which is corrosion resistant and hypoallergenic; Progressive-Friendly; Worn by Kevin Costner in the film JFK ; 5 barrel Standard Hinge is easy to repair and sturdy; Available with different temple styles; Acetate frame features a variety of color options