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.
It looks like it's just some sort of white applied material on the left upper lens. I'm just not a fan of the loud Ray-Ban branding on a sun glass lens. (I'm ok with engraving as that is more subtle).I assume Ray Ban does this to differentiate against forgeries, but the loud overbranding really sullies the cool factor of their classic Aviator and Wayfarer designs.t looks like it's just some sort of white applied material on the left upper lens. I'm just not a fan of the loud Ray-Ban branding on a sun glass lens. (I'm ok with engraving as that is more subtle).