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 some areas the trend is towards specialization, in other areas towards adaptability. Stonemasons use all types of natural stone: igneous, metamorphic and sedimentary; while some also use artificial stone as well. Many of the world's most famous buildings have been built of sedimentary stone, from Durham Cathedral to St Peter's in Rome. There are two main types of sedimentary stone used in masonry work, limestones and sandstones. Examples of limestones include Bath and Portland stone. Yorkstone and Sydney sandstone are most commonly used sandstone. Types of stonemasonry are: Today’s stonemasons undergo training that is quite comprehensive and is done both