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Crowbar (tool)
A crowbar, also called a wrecking bar, pry bar or prybar, pinch-bar, or occasionally a prise bar or prisebar, colloquially, in Britain and Australia sometimes called a jemmy or jimmy (also called jemmy bar), gooseneck, or pig foot, is a tool consisting of a metal bar with a single curved end and flattened points, often with a small fissure on one or both ends for removing nails or to force apart two objects. Crowbars are commonly used to open nailed wooden crates or pry apart boards. The design can be used as any of the three lever classes. The curved end is usually used as a first-class lever, and the flat end as a second-class lever. Designs made from thick flat steel bar are often referred to as utility bars. Materials and construction Normally made of medium-carbon steel, crowbars can alternatively be made from titanium, which has the advantage of being lighter. Commonly crowbars are forged from long steel products, either hexagonal or sometimes cylindrical stock. Al ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Standard Crowbar Black
Standard may refer to: Symbols * Colours, standards and guidons, kinds of military signs * Standard (emblem), a type of a large symbol or emblem used for identification Norms, conventions or requirements * Standard (metrology), an object that bears a defined relationship to a unit of measure used for calibration of measuring devices * Standard (timber unit), an obsolete measure of timber used in trade * Breed standard (also called bench standard), in animal fancy and animal husbandry * BioCompute Standard, a standard for next generation sequencing * ''De facto'' standard, product or system with market dominance * Gold standard, a monetary system based on gold; also used metaphorically for the best of several options, against which the others are measured * Internet Standard, a specification ratified as an open standard by the Internet Engineering Task Force * Learning standards, standards applied to education content * Standard displacement, a naval term describing the we ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
William Shakespeare
William Shakespeare ( 26 April 1564 – 23 April 1616) was an English playwright, poet and actor. He is widely regarded as the greatest writer in the English language and the world's pre-eminent dramatist. He is often called England's national poet and the "Bard of Avon" (or simply "the Bard"). His extant works, including collaborations, consist of some 39 plays, 154 sonnets, three long narrative poems, and a few other verses, some of uncertain authorship. His plays have been translated into every major living language and are performed more often than those of any other playwright. He remains arguably the most influential writer in the English language, and his works continue to be studied and reinterpreted. Shakespeare was born and raised in Stratford-upon-Avon, Warwickshire. At the age of 18, he married Anne Hathaway, with whom he had three children: Susanna, and twins Hamnet and Judith. Sometime between 1585 and 1592, he began a successful career in London as an a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Woodworking Hand Tools
Woodworking is the skill of making items from wood, and includes cabinet making (cabinetry and furniture), wood carving, joinery, carpentry, and woodturning. History Along with stone, clay and animal parts, wood was one of the first materials worked by early humans. Microwear analysis of the Mousterian stone tools used by the Neanderthals show that many were used to work wood. The development of civilization was closely tied to the development of increasingly greater degrees of skill in working these materials. Among early finds of wooden tools are the worked sticks from Kalambo Falls, Clacton-on-Sea and Lehringen. The spears from Schöningen (Germany) provide some of the first examples of wooden hunting gear. Flint tools were used for carving. Since Neolithic times, carved wooden vessels are known, for example, from the Linear Pottery culture wells at Kückhofen and Eythra. Examples of Bronze Age wood-carving include tree trunks worked into coffins from northern G ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hand Tools
A hand tool is any tool that is powered by hand rather than a motor. Categories of hand tools include wrenches, pliers, cutters, files, striking tools, struck or hammered tools, screwdrivers, vises, clamps, snips, hacksaws, drills, and knives. Outdoor tools such as garden forks, pruning shears, and rakes are additional forms of hand tools. Portable power tools are not hand tools. History Hand tools have been used by humans since the Stone Age when stones were used for hammering and cutting. During the Bronze Age tools were made by casting the copper and tin alloys. Bronze tools were sharper and harder than those made of stone. During the Iron Age iron replaced bronze, and tools became even stronger and more durable. The Romans developed tools during this period which are similar to those being produced today. In the period since the industrial revolution, the manufacture of tools has transitioned from being craftsman made to being factory produced. A large coll ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tire Iron
A tire iron (also tire lever or tire spoon) is a specialized metal tool used in working with tires. Tire irons have not been in common use for automobile tires since the shift to the use of tubeless tires in the late 1950s. Bicycle tire irons are still in use for those tires which have a separate inner tube, and can have a hooked C-shape cut into one end of the iron so that it may be hooked on a bicycle spoke to hold it in place. Description and use Tire irons, which usually come in pairs or threes, are used to pry the edge of a tire away from the rim of the wheel it has been mounted on. After one iron has pried a portion of the tire from its wheel, it is held in position while a second iron is applied further along the tire to pry more of the tire away from the wheel. This allows enough of the tire to be separated so that the first iron can be removed, and used again on the far side of the other iron. Alternating in this way, a person can work all the way around the tire ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Halligan Bar
A Halligan bar (also known as a Halligan tool or Hooligan tool) is a forcible entry tool used by firefighters. History The Halligan bar was designed by New York City Fire Department (FDNY) First Deputy Chief Hugh Halligan in 1948 and was named after him. That same year, blacksmith Peter Clarke made the first prototype of the tool. Despite its popularity among FDNY ladder companies, the department initially refrained from purchasing the tool to avoid the appearance of a conflict of interest.''Fire Department City of New York: The Bravest; An Illustrated History 1865-2002'', page 72. However, the Boston Fire Department was the first major customer of the Halligan bar, purchasing one for every fire company in the city. This led to widespread adoption of the tool, first in North America and eventually worldwide. The Halligan bar has become the most versatile hand tool for fireground tasks over the past seven decades. Design Based on the earlier Kelly tool, the Halligan is a multi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Digging Bar
A digging bar is a long, straight metal bar used for various purposes, including as a post hole digger, to break up or loosen hard or compacted materials such as soil, rock, concrete and ice or as a lever to move objects. Known by other names depending on locale, structural features and intended purpose such as a hop bar or crowbar in Britain, Australia and New Zealand, and slate bar, shale bar, spud bar, pinch point bar or San Angelo bar in North America, or just a bar. In Hawaii, a similar, traditional wooden device known as an ''‘o‘o stick'' is used as a digging bar in groundbreaking ceremonies. Not to be confused with a curved crowbar, which is designed to provide leverage rather than to dig. Uses Common uses of digging bars include breaking up clay, concrete, frozen ground, and other hard materials, moving or breaking up tree roots and obstacles, and making holes in the ground for fence posts. They are often used where space would not allow the use of a pickaxe. Mat ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Robinson Crusoe
''Robinson Crusoe'' () is a novel by Daniel Defoe, first published on 25 April 1719. The first edition credited the work's protagonist Robinson Crusoe as its author, leading many readers to believe he was a real person and the book a travelogue of true incidents. Epistolary, confessional, and didactic in form, the book is presented as an autobiography of the title character (whose birth name is Robinson Kreutznaer) – a castaway who spends 28 years on a remote tropical desert island near the coasts of Venezuela and Trinidad, roughly resembling Tobago, encountering cannibals, captives, and mutineers before being rescued. The story has been thought to be based on the life of Alexander Selkirk, a Scottish castaway who lived for four years on a Pacific island called "Más a Tierra" (now part of Chile) which was renamed Robinson Crusoe Island in 1966. Despite its simple narrative style, ''Robinson Crusoe'' was well received in the literary world and is often credited as m ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Daniel Defoe
Daniel Defoe (; born Daniel Foe; – 24 April 1731) was an English writer, trader, journalist, pamphleteer and spy. He is most famous for his novel '' Robinson Crusoe'', published in 1719, which is claimed to be second only to the Bible in its number of translations. He has been seen as one of the earliest proponents of the English novel, and helped to popularise the form in Britain with others such as Aphra Behn and Samuel Richardson. Defoe wrote many political tracts, was often in trouble with the authorities, and spent a period in prison. Intellectuals and political leaders paid attention to his fresh ideas and sometimes consulted him. Defoe was a prolific and versatile writer, producing more than three hundred works—books, pamphlets, and journals — on diverse topics, including politics, crime, religion, marriage, psychology, and the supernatural. He was also a pioneer of business journalism and economic journalism. Early life Daniel Foe (his original name) was pr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Romeo And Juliet
''Romeo and Juliet'' is a tragedy written by William Shakespeare early in his career about the romance between two Italian youths from feuding families. It was among Shakespeare's most popular plays during his lifetime and, along with ''Hamlet'', is one of his most frequently performed plays. Today, the title characters are regarded as archetypal young lovers. ''Romeo and Juliet'' belongs to a tradition of tragic romances stretching back to antiquity. The plot is based on an Italian tale translated into verse as '' The Tragical History of Romeus and Juliet'' by Arthur Brooke in 1562 and retold in prose in '' Palace of Pleasure'' by William Painter in 1567. Shakespeare borrowed heavily from both but expanded the plot by developing a number of supporting characters, particularly Mercutio and Paris. Believed to have been written between 1591 and 1595, the play was first published in a quarto version in 1597. The text of the first quarto version was of poor quality, howeve ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Snopes
''Snopes'' , formerly known as the ''Urban Legends Reference Pages'', is a fact-checking website. It has been described as a "well-regarded reference for sorting out myths and rumors" on the Internet. The site has also been seen as a source for both validating and debunking urban legends and similar stories in American popular culture. History 1990s In 1994, David and Barbara Mikkelson created an urban folklore web site that would become ''Snopes.com''. ''Snopes'' was an early online encyclopedia focused on urban legends, which mainly presented search results of user discussions. The site grew to encompass a wide range of subjects and became a resource to which Internet users began submitting pictures and stories of questionable veracity. According to the Mikkelsons, ''Snopes'' predated the search engine concept of fact-checking via search results. David Mikkelson had originally adopted the username "Snopes" (the name of a family of often unpleasant people in the works of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tool
A tool is an object that can extend an individual's ability to modify features of the surrounding environment or help them accomplish a particular task. Although many animals use simple tools, only human beings, whose use of stone tools dates back hundreds of millennia, have been observed using tools to make other tools. Early human tools, made of such materials as stone, bone, and wood, were used for preparation of food, hunting, manufacture of weapons, and working of materials to produce clothing and useful artifacts. The development of metalworking made additional types of tools possible. Harnessing energy sources, such as animal power, wind, or steam, allowed increasingly complex tools to produce an even larger range of items, with the Industrial Revolution marking an inflection point in the use of tools. The introduction of widespread automation in the 19th and 20th centuries allowed tools to operate with minimal human supervision, further increasing the productivity ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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