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The term wrench is generally used for tools that turn non-fastening devices (e.g. tap wrench and pipe wrench), or may be used for a monkey wrench—an adjustable pipe wrench. [1] In North American English, wrench is the standard term. The most common shapes are called open-end wrench and box-end wrench.
When he ran out of tools, he would sell the wagon and buy a train ticket home to Evansburg. The business eventually became known as the Champion Bolt and Clipper Company . In 1904, the company moved to a 12,000-square-foot (1,100 m 2 ) facility in Meadville, Pennsylvania , and added nippers, pinchers and open-end wrenches to its product line.
The History Channel's original logo used from January 1, 1995, to February 15, 2008, with the slogan "Where the past comes alive." In the station's early years, the red background was not there, and later it sometimes appeared blue (in documentaries), light green (in biographies), purple (in sitcoms), yellow (in reality shows), or orange (in short form content) instead of red.
3.3 Mya – 2.6 Mya: Stone tools - found in modern-day Kenya are older and only found on the archetype road. Ancient stone tools from Ethiopia were hand-crafted by Australopithecus or related people. [1] [2] [further explanation needed] 2.3 Mya: Earliest likely control of fire and cooking, by Homo habilis [3] [4] [5]
This is an incomplete list of television programs formerly or currently broadcast by History Channel/H2/Military History Channel in the United States. Current programming [ edit ]
The first locking pliers, with the trade name Vise-Grip, were invented by William S. Petersen in De Witt, Nebraska, United States in 1924. [ 1 ] [ 2 ] Later, in 1955, in the United Kingdom, M K Mole and Son, a hand tool manufacturing company, under the managing direction of Thomas Coughtrie , began making nearly identical pliers.
The company has a tool line of over 3,500 items including wrenches, ratchets, screwdrivers, tool boxes and air tools. In 2021, SK was acquired by Hangzhou GreatStar Industrial. Jay Leno described the company as "an iconic American brand for decades," [2] and the company is known for inventing the round-head ratchet wrench.
Stone tools preserve more readily than tools of many other materials. [1] [2] So the oldest tools that we can find in many areas are going to be stone tools. It could be that these tools were once accompanied by, or even preceded by, non-stone tools that we cannot find because they did not preserve.