Thames Tunnel The oldest underwater tunnel in the world. (0.4 km) (1825 - 1843). Severn Tunnel One of the oldest underwater tunnels in the world (3.62 km) (1873 - 1886). Chesapeake Bay Bridge Tunnel (23 miles (37 km)), connecting Virginia Beach with the Eastern Shore of Virginia (1960 - 1964).
Business Productivity is the ability of an organization to utilize its available resources in order to produce profitable goods or services as desired by customers or clients. It is the productivity that measures the performance of an organization...
In 1883, Littre defined productivity as the faculty to produce, that is, the desire to produce. In 1950, the Organisation for European Economic Cooperation (OEEC) provided the following definition of productivity: Productivity is the quotient obtained by dividing output by one of the factors of production.