Hello friend @rbalzan79, brother again shows us the creativity that has developed the human being for the creation of objects like the glasses you mention, which are very useful eye protection. No doubt that in each delivery we show very interesting advances!
See you later, blessings for you and your family!
Hello friend @amestyj.
It is true that man's creativity has been outstanding during all his history as shown in this opportunity with the diving glasses. Greetings.