they both work under rns and doctors lpn and lvn programs prepare you to take the nclex pn passing the nclex pn is required for licensure of both lpns and lvns the biggest difference between a licensed vocational nurse lvn and a licensed practical nurse lpn is actually the name
Water Resistant vs. Waterproof. No watch is completely waterproof. Most mechanical watches have water-resistance ratings that prescribe a maximum immersion depth. This depth is measured in feet, meters or atmospheres (ATM), where one ATM is approximately 33 feet or 10 meters.
Eventually, the long cylindrical rod is complete and removed. It is then sliced (with diamond-tipped cutters) and polished to become a watch crystal. In addition to being scratch resistant, a sapphire crystal has more ability to withstand cracks and breakage than glass or plastic. In fact, only a diamond or another sapphire can scratch the surface.