positioning screw
41Household seismic safety — Contributions of photographs related to details of preparation are needed. Household seismic safety is an issue for areas of the world with a high risk of seismic activity, and is concerned with the following: *Appropriate securing of household… …
42Direct drive mechanism — A Direct drive mechanism is one that takes the power coming from a motor without any reductions (such as a gearbox). Contents 1 Advantages 2 Disadvantages 3 Applications 3.1 High speed …
43Subaru EJ engine — The Subaru EJ engine is a series of automotive engines manufactured by Subaru, a division of Fuji Heavy Industries introduced mid 1989 for the 1st generation Legacy. The engine was designed by Masayuki Kodama, Takemasa Yamada and Shuji Sawafuji… …
44Diffusion of technology in Canada — This article outlines the history of the diffusion or spread of technology in Canada. Technologies chosen for treatment here include, in rough order, transportation, communication, energy, materials, industry, public works, public services… …
45Mississippi River — a major river of North America that flows from the US state of Minnesota to the Gulf of Mexico. It was called the ‘Father of Waters’ by Native Americans. It is 2 348 miles/3 778 kilometres long and passes the cities of Minneapolis, St Louis,… …
46Ship — A ship IPA|/ʃɪp/ audio|en us ship.ogg|Audio (US) is a large vessel that floats on water. Ships are generally distinguished from boats based on size. Ships may be found on lakes, seas, and rivers and they allow for a variety of activities, such as …
47Submarine — For other uses, see Submarine (disambiguation). A Japan Maritime Self Defense Force Oyashio class submarine in 2006 A submarine is a watercraft capable of independent operation below the surface of the water. It differs from a submersible, which… …
48Yes Minister — Yes, Prime Minister The title card of Yes Minister Genre Political satire Situation comedy Created by Antony Jay Jon …
49Bicycle brake systems — are used to slow down, or brake a bicycle. There have been various types through history, and several are still in use today.HistoryEarly bicycles such as the high wheeled penny farthing bikes were fitted with spoon brakes. As they were fixed… …
50Clamp (tool) — A clamp is a fastening device to hold or secure objects tightly together to prevent movement or separation through the application of inward pressure. In the United Kingdom and Australia, the term cramp is often used instead when the tool is for… …
