Stress in the aviation industry can hugely affect one's life outside work. Millions of veterans struggle with post-traumatic stress injuries, unhealthy coping strategies such as alcohol or substance abuse and in the worst of cases, suicide, which is very common. Many studies and help programs have been put in place, but there are many different cases and people that it is impossible to help everyone. Stress overcomes even the strongest, most highly training pilots and can take the worst toll. Everyone deals with stress in a different manner, but military pilots stand out on their own with unique stress reducing and problem solving skills. Their
Stonemasonry the Laurentian Library which was planned and built by Michelangelo Buonarroti, a famous stonemason of the Renaissance. When Europeans settled the Americas, they brought the stonemasonry techniques of their respective homelands with them. Settlers used what materials were available, and in some areas stone was the material of choice. In the first waves, building mimicked that of Europe, to eventually be replaced by unique architecture later on. In the 20th century, stonemasonry saw its most radical changes in the way the work is accomplished. Prior to the first half of the century, most heavy work was executed by draft animals