Millau Viaduct

steady or movable bridges most bridges are steady bridges, this means that they have no shifting components and stay in one area till they fail or are demolished. Temporary bridges, which includes Bailey bridges, are designed to be assembled, and taken aside, transported to a awesome website on line, and re-used. They may be vital in military engineering, and also are used to carry website online visitors even as an vintage bridge is being rebuilt. Movable bridges are designed to transport out

Risk is a part of every human endeavour. Everything that we decide to do has a margin of risk. No outcome is ever 100 per cent certain and, therefore, any attempt at anything has a chance of complete failure. However, while some of these risks may seem trivial, others make a significant difference in the way we live our lives. On the other hand, it can be argued that every major advance in human civilization, from the caveman’s invention of tools to modern technology nowadays, has been made possible