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In a variation called the Egyptian bow drill, the cord is wound around the shaft multiple times, or is fixed to it by a knot or a hole. [citation needed] The strap drill is a simpler version, where the bow is absent and the cord is kept taut by pulling the ends with both hands, while moving them left and right at the same time. In the absence ...
The usage of bow-drills was widely spread through Europe, Africa, Asia, and North America, during ancient times and is still used today. Over the years many slight variations of bow and strap drills have developed for the various uses of either boring through materials or lighting fires. The core drill was developed in ancient Egypt by 3000 BC ...
A fire drill, sometimes called fire-stick, is a device to start a fire by friction between a rapidly rotating wooden rod (the spindle or shaft) and a cavity on a stationary wood piece (the hearth or fireboard).
The following other wikis use this file: Usage on en.wiktionary.org fire drill; Usage on es.wikipedia.org Taladro de arco; Usage on fa.wikipedia.org
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A drill press is an important tool used in woodworking. It is similar to a hand drill, but is a table/floor mounted machine that uses a shaft with a spring loaded handle to lower the drill bit into the wood or material. A hand drill is used by many woodworkers, but a drill press is even more accurate and powerful. [24] Drum sander