The most common shapes are called open-ended spanner and ring spanner. The term wrench refers to a type of adjustable spanner.[1] In American English, wrench is the standard term. The very most common shapes are called open-end wrench and box-end wrench. In American English, spanner refers to a specialized wrench with a series of pins or tabs around the circumference.
Â· just now. 1  Well to start with, let me tell you that the fist network to be ever established was the Arpanet, setup by the US military during the Gulf War. 2  Vinton Cerf is considered the father of the internet, and Tim Berners-Lee is the father of the World Wide Web.
Internet was not invented by any single person but it was a group of ideas put forward. The main reason as to what lead to the development of the internet was the US Military â¦ which created the ARPA or Advanced Research projects Agency in 1957 to invent new technologies that could help the US Military.