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...
productivity. 1  the quality, state, or fact of being able to generate, create, enhance, or bring forth goods and services: The productivity of the group's effort surprised everyone. 2  Economics. the rate at which goods and services having exchange value are brought forth or produced: Productivity increased dramatically last year.