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.
Andrew Wolk is the founder and CEO of Root Cause. He has consulted with dozens of organizations in all sectors, including Open Society Foundations, uAspire (formerly known as ACCESS), Center for Urban Families, Massachusetts Housing and Shelter Alliance, and State Street Foundation. For more on Andrew's reflections, visit his blog.