every fifty hours
31Strings (tennis) — In tennis, the strings are the part of a tennis racquet which make contact with the ball. The strings form a woven network inside the head (or hoop ) of the racquet. Composition The material used in tennis string can significantly change the… …
32Severn Beach Line — The Severn Beach Line is a local railway in Bristol, UK. It runs from Narroways Hill Junction to Severn Beach, and is the successor to the Bristol Port Railway and Pier, which ran from a Bristol terminus in the Avon Gorge to a station and pier on …
33Climate of Australia — Climate map of Australia, based on the Köppen climate classification …
34Factory farming — A commercial chicken house raising broiler pullets for meat …
35History of the Swiss Air Force — The history of the Swiss Air Force began in 1914 with the establishment of an ad hoc force consisting of a handful of men in outdated and largely civilian aircraft. It was only in the 1930s that an effective air force was established at great… …
36Lima, Ohio — City of Lima   City   Public Square in downtown Lima …
37Robert Harrill — Infobox Person name = Robert Harrill image size = 150px caption = Robert Harrill sitting outside his bunker and greeting his many visitors. birth date = February 2, 1893 birth place = Gaffney, South Carolina death date = June 3, 1972 death place …
38Portal:Harry Potter — Wikipedia portals: Culture Geography Health History Mathematics Natural sciences People Philosophy Religion Society Technology The Harry Potter Portal …
39At the Core (story) — At the Core is an English language science fiction short story written in 1966 by Larry Niven. It is the second in the series of Known Space stories featuring crashlander Beowulf Shaeffer. The short story was originally published in Worlds of If …
40International 500 — The International 500 Snowmobile Race, commonly known as the I 500, takes place annually in Sault Ste. Marie, Michigan. It is known across the country as the oldest and longest race of its kind.OriginThe idea for the I 500 came about in 1968. [… …
