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.
Douglas Carl Engelbart was an American engineer and inventor, and an early computer and Internet pioneer. He is best known for his work on founding the field of humanâcomputer interaction, particularly while at his Augmentation Research Center Lab in SRI International, which resulted in creation of the computer mouse, and the development of hypertext, networked computers, and precursors to graphical user interfaces. These were demonstrated at The Mother of All Demos in 1968. Engelbart's ...