safety-hook pin
81Drawstring — A modern reproduction of a medieval turn shoe with a drawstring Chalk bags with drawstr …
82Digital Access Carrier System — (DACS) is the name used by British Telecom (BT Group plc) in the United Kingdom for a 0+2 Pair gain system. Two Telspec DACS remote units mounted on a pole Contents 1 Usage …
83Wireless security — An example wireless router, that can implement wireless security features Wireless security is the prevention of unauthorized access or damage to computers using wireless networks. Many laptop computers have wireless cards pre installed. The… …
84Skyhook (skydiving) — The Skyhook is a safety feature on parachute systems. It is an advanced type of reserve static line, which functions to automatically deploy a reserve parachute after a malfunctioning main parachute has been cut away.Where the traditional RSL… …
85André Devigny — (25 May 1916 – 12 February 1999) was a French soldier and member of the Résistance. Devigny was a schoolteacher who joined the French Army just before the breakout of World War II in 1939. He was part of the fighting in 1940 as an infantry and… …
86Miller Platform — The Miller Platform was an innovative railroad passenger car platform of the 19th century designed to prevent the hazard of telescoping in railroad collisions. It was named for its U.S. inventor, Ezra Miller who was issued a patent for it on July …
87Carabiner — A carabiner or karabiner (colloquially: crab , D ring , krab , or biner ) is a metal loop with a sprung or screwed gate. [cite web |url=http://www.mountaindays.net/content/articles/dictionary.php#karabiner |title=Climbing Dictionary Glossary… …
88Semi-trailer truck — A semi trailer truck, also known as tractor trailer or (in the United Kingdom and Ireland) articulated lorry, is an articulated truck or lorry consisting of a towing engine ( tractor in the United States, prime mover in Australia, and truck in… …
89List of inventors — This is a list of inventors. See also: List of scientists, Timeline of invention, List of inventions named after people, List of inventors killed by their own inventions, and . Alphabetical list compactTOC NOTOC A * Vitaly Mikhaylovich Abalakov,… …
90Overlock — The pearl stitch An overlock stitch sews over the edge of one or two pieces of cloth for edging, hemming or seaming. Usually an overlock sewing machine will cut the edges of the cloth as they are fed through (such machines are called ‘sergers’ in …
