concave saw
41Gamepad — For the TV show, see Gamepad (TV series). The SNES/Super Famicom gamepad (Japanese Super Famicom version shown), which popularized the layout used by most modern gamepads A gamepad (also called joypad or control pad), is a type of game controller …
42Music of Singapore — Life in Singapore Culture Dance Demographics Driving Economy Education Film Holidays Languages Literature Mu …
43Inventions in medieval Islam — A significant number of inventions were developed in the medieval Islamic world, a geopolitical region that has at various times extended from Al Andalus and Africa in the west to the Indian subcontinent and Malay Archipelago in the east.… …
44Galápagos tortoise — Conservation status …
45Vault (architecture) — A Vault (French. voute, Italian. volta, German. Gewölbe, Polish. sklepienie , Spanish. bóveda ) is an architectural term for an arched form used to provide a space with a ceiling or roof. url=http://concise.britannica.com/ebc/article… …
46Wakeskating — is a new watersport and is an adaptation of wakeboarding that employs a similar design of board manufactured from maple or from fibreglass. Unlike wakeboarding, the rider is not bound to the board in any way, which gives the sport its own unique… …
47Improvised explosive device — Ammunition rigged for an IED discovered by Iraqi police in Baghdad in November 2005 …
48Tile — For other uses, see Tile (disambiguation). Decorative tilework in Sheikh Lotf Allah Mosque, Isfahan, Iran early 17th century A tile is a manufactured piece of hard wearing material such as ceramic, stone, metal, or even glass. Tiles are generally …
49Battle of Smolensk (1943) — Second Battle of Smolensk Part of the Eastern Front of World War II Date 7 August–2 October 1943 Location …
50Charybdis (genus) — Charybdis Charybdis japonica Scientific classification Kingdom: Animalia …
