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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 Ocean Star Offshore Drilling Rig & Museum, located in Galveston, Texas, is a museum dedicated to the offshore oil and gas industry. Located next to the Strand National Historic Landmark District, the museum is housed on a retired jack-up rig set up in the Galveston harbor.
Anatomy of a pistol-grip corded drill. Bow drill (strap-drill) are the first machine drills, as they convert a back and forth motion to a rotary motion, and they can be traced back to around 10,000 years ago. It was discovered that tying a cord around a stick, and then attaching the ends of the string to the ends of a stick (a bow), allowed a ...
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).
Stationary power tools for metalworking are usually called machine tools. The term machine tool is not usually applied to stationary power tools for woodworking , although such usage is occasionally heard, and in some cases, such as drill presses and bench grinders , exactly the same tool is used for both woodworking and metalworking.
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SKIL Power Tools is a brand of electric power tools and accessories located in Naperville, Illinois, United States. [1] It is a subsidiary of Chervon (HK) Ltd, a company based in Nanjing , China . [ 1 ]
Stanley is a well known brand of tools and has produced millions of hand planes, saws, rulers, try squares, chisels, screwdrivers, and many other types of tools for consumer and for industrial use. Their innovations include the Bailey plane, the Surform shaper , the PowerLock tape measure , the utility knife , and an unusual multitool known as ...