-The risk of psychological stress when cruising the maritime vessels: Marine enveronment is a special enveronment, It is drastically different from onshore working: Isolation from the land, living far away from family, monotonous labor, the distinction of rank on board, lack of social life, Sexual tension... All of these factors have become the risk factors for injury to the maritime vessels [7], [37], [69], [71] - Machinery and tools: There are some part of the ship which can cause injury: ship machinery, generators, cranes, winches, anchors, hatch covers, ladders, netting and trawling... [23], [28], [74].