Garnier Limb
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Garnier Limb
Treehouse attachment bolts or TABs are specialized bolts engineered for treehouse construction.Globe Pequot, "Knack Treehouses: A Step-by-Step Guide to Designing and Building a Safe and Sound Structure", 2010, p. 66/ref> Various models and trademarks exist, with names such as Garnier limbs (GLs); tree anchor bolts; artificial limbs; heavy limbs or hyper limbs (HLs); special tree fastener or stud tree fastener (STFs). They may be either of through fastener style (for smaller trees) or side mount type for larger ones. Description One of the main features of TABs is their strength, requiring fewer tree penetrations for robust fastening of a treehouse and hence less damage to a live tree. A typical TAB consists of a threaded metal bolt and a larger diameter collar. The latter provides an extra bending strength by bearing upon the compression strength of the tree grain. Since treehouses are subject to frequent load reversal produced by winds, TABs must be made of spring steel The ...
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Treehouse Attachment Bolts 2
A tree house, tree fort or treeshed is a platform or building constructed around, next to or among the trunk or branches of one or more mature trees while above ground level. Tree houses can be used for recreation, work space, habitation, a hangout space and observation. People occasionally connect ladders, or staircases to get up to the platforms. History Prehistoric hypotheses Building tree platforms or nests as a shelter from dangers on the ground is a habit of all the great apes, and may have been inherited by humans. It is true that evidence of prehistoric man-made tree houses have never been found by paleoanthropologists, but remains of wooden tree houses would not remain. However, evidence for cave accommodation, terrestrial man-made rock shelters, and bonfires should be possible to find if they had existed, but are scarce from earlier than 40,000 years ago. This has led to a hypothesis that archaic humans may have lived in trees until about 40,000 years ago. The ske ...
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Outside Magazine
''Outside'' is an American company and magazine focused on the outdoors. The first issue of ''Outside'' was published in September 1977. History Outside founders were Jann Wenner (the first editor in chief), William Randolph Hearst III (its first managing editor), and Jack Ford (an assistant to founding publisher Donald Welsh and a son of former U.S. President Gerald Ford). Wenner sold ''Outside'' to Lawrence J. Burke two years later. Burke merged it into his magazine ''Mariah'' (founded in 1976) and after a period of using the name ''Mariah/Outside'' kept the ''Outside'' name for the merged magazine. Christopher Keyes is the current editor. Outside, formerly Pocket Outdoor Media, acquired Outside Integrated Media in February 2021. Outside brands include Outside Magazine, Outside Business Journal, Outside Integrated Media, Outside TV, Gaia GPS, fastestknowntime.com, athleteReg, Peloton Magazine, Yoga Journal, SKI, Backpacker, VeloNews, Climbing, Rock & Ice, Gym Climber, Trail ...
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Screws
A screw and a bolt (see '' Differentiation between bolt and screw'' below) are similar types of fastener typically made of metal and characterized by a helical ridge, called a ''male thread'' (external thread). Screws and bolts are used to fasten materials by the engagement of the screw thread with a similar ''female thread'' (internal thread) in a matching part. Screws are often self-threading (also known as self-tapping) where the thread cuts into the material when the screw is turned, creating an internal thread that helps pull fastened materials together and prevents pull-out. There are many screws for a variety of materials; materials commonly fastened by screws include wood, sheet metal, and plastic. Explanation A screw is a combination of simple machines: it is, in essence, an inclined plane wrapped around a central shaft, but the inclined plane (thread) also comes to a sharp edge around the outside, which acts as a wedge as it pushes into the fastened material, and th ...
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Hex Cap Screw
Hex or HEX may refer to: Magic * Hex, a curse or supposed real and potentially supernaturally realized malicious wish * Hex sign, a barn decoration originating in Pennsylvania Dutch regions of the United States * Hex work, a Pennsylvania Dutch (German) folk magic system also known as pow-wow Web colors * Hex triplet, a six-digit, three-byte hexadecimal number used in computing applications to represent colors Engineering and technology * Hex key, a tool also known as a hex wrench or Allen wrench, used to drive fasteners * Hex key, a number sign (#) key on telephones (regional term used in Singapore and Malaysia) * High-energy X-rays, sometimes abbreviated "HEX-rays" * Hexadecimal, a base-16 number system often used in computer nomenclature * Hexcentric, an item of climbing protection equipment * Heat exchanger, a device for heat transfer * Hypersonic Flight Experiment, a planned mission of the Indian Space Research Organisation * Intel HEX, a computer file format * Urani ...
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Machinist
A machinist is a tradesperson or trained professional who not only operates machine tools, but also has the knowledge of tooling and materials required to create set ups on machine tools such as milling machines, grinders, lathes, and drilling machines. A competent machinist should have a well-developed mechanical aptitude, the ability to correctly use precision measuring instruments, and a working knowledge of the proper speeds and feeds required for successfully utilizing the various work and tool materials commonly used in most machining operations. Nature of work Mass-produced parts of machines are more common today, but still require machinists and millwrights to calibrate and install machine parts to manufacture other parts. In many parts of the economy, however, custom-made parts are required for various uses. A machinist may work on manufacturing something simple like a motorcycle frame part, a piece of an internal combustion motor, or something extraordinarily complex, ...
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Engineer
Engineers, as practitioners of engineering, are professionals who invent, design, analyze, build and test machines, complex systems, structures, gadgets and materials to fulfill functional objectives and requirements while considering the limitations imposed by practicality, regulation, safety and cost. "Science is knowledge based on our observed facts and tested truths arranged in an orderly system that can be validated and communicated to other people. Engineering is the creative application of scientific principles used to plan, build, direct, guide, manage, or work on systems to maintain and improve our daily lives." The word ''engineer'' (Latin ) is derived from the Latin words ("to contrive, devise") and ("cleverness"). The foundational qualifications of an engineer typically include a four-year bachelor's degree in an engineering discipline, or in some jurisdictions, a master's degree in an engineering discipline plus four to six years of peer-reviewed professiona ...
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Construction Permit
Planning permission or developmental approval refers to the approval needed for construction or expansion (including significant renovation), and sometimes for demolition, in some jurisdictions. It is usually given in the form of a building permit (or construction permit). House building permits, for example, are subject to Building codes. There is also a "plan check" (PLCK) to check compliance with plans for the area, if any. For example, one cannot obtain permission to build a nightclub in an area where it is inappropriate such as a high-density suburb. The criteria for planning permission are a part of urban planning and construction law, and are usually managed by town planners employed by local governments. Failure to obtain a permit can result in fines, penalties, and demolition of unauthorized construction if it cannot be made to meet code. Generally, the new construction must be inspected during construction and after completion to ensure compliance with national, ...
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Oregon
Oregon () is a U.S. state, state in the Pacific Northwest region of the Western United States. The Columbia River delineates much of Oregon's northern boundary with Washington (state), Washington, while the Snake River delineates much of its eastern boundary with Idaho. The 42nd parallel north, 42° north parallel delineates the southern boundary with California and Nevada. Oregon has been home to many Indigenous peoples of the Americas, indigenous nations for thousands of years. The first European traders, explorers, and settlers began exploring what is now Oregon's Pacific coast in the early-mid 16th century. As early as 1564, the Spanish expeditions to the Pacific Northwest, Spanish began sending vessels northeast from the Philippines, riding the Kuroshio Current in a sweeping circular route across the northern part of the Pacific. In 1592, Juan de Fuca undertook detailed mapping and studies of ocean currents in the Pacific Northwest, including the Oregon coast as well as ...
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Josephine County, Oregon
Josephine County is one of the 36 counties in the U.S. state of Oregon. As of the 2020 census, the population was 88,090. The county seat is Grants Pass. The county is probably named after a stream in the area called Josephine Creek, which in turn is probably named after Virginia Josephine Rollins Ort. Josephine County comprises the Grants Pass, OR Metropolitan Statistical Area, which is included in the Medford-Grants Pass, OR Combined Statistical Area. History The discovery of rich placers at Sailor Diggings (later known as Waldo) in 1852 and the resulting gold rush brought the first settlers to this region. Several U.S. Army forts were maintained in the county and many engagements during the Rogue River Indian War (1855–1858) took place within its boundaries. In 1851, a group of prospectors moved to the Illinois Valley and made the first discovery of gold in Southern Oregon. In this group was Floyd Rollins and his daughter, Josephine Rollins Ort, after whom the county i ...
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Seattle Post-Intelligencer
The ''Seattle Post-Intelligencer'' (popularly known as the ''Seattle P-I'', the ''Post-Intelligencer'', or simply the ''P-I'') is an online newspaper and former print newspaper based in Seattle, Washington, United States. The newspaper was founded in 1863 as the weekly ''Seattle Gazette'', and was later published daily in broadsheet format. It was long one of the city's two daily newspapers, along with ''The Seattle Times'', until it became an online-only publication on March 18, 2009. History J.R. Watson founded the ''Seattle Gazette'', Seattle's first newspaper, on December 10, 1863. The paper failed after a few years and was renamed the ''Weekly Intelligencer'' in 1867 by new owner Sam Maxwell. In 1878, after publishing the ''Intelligencer'' as a morning daily, printer Thaddeus Hanford bought the ''Daily Intelligencer'' for $8,000. Hanford also acquired Beriah Brown's daily ''Puget Sound Dispatch'' and the weekly ''Pacific Tribune'' and folded both papers into the ''Inte ...
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Shear Strength
In engineering, shear strength is the strength of a material or component against the type of yield or structural failure when the material or component fails in shear. A shear load is a force that tends to produce a sliding failure on a material along a plane that is parallel to the direction of the force. When a paper is cut with scissors, the paper fails in shear. In structural and mechanical engineering, the shear strength of a component is important for designing the dimensions and materials to be used for the manufacture or construction of the component (e.g. beams, plates, or bolts). In a reinforced concrete beam, the main purpose of reinforcing bar (rebar) stirrups is to increase the shear strength. Equations For shear stress \tau applies :\tau = \frac , where :\sigma_1 is major principal stress and :\sigma_3 is minor principal stress. In general: ductile materials (e.g. aluminum) fail in shear, whereas brittle materials (e.g. cast iron) fail in tension. See ...
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Akron Beacon Journal
The ''Akron Beacon Journal'' is a morning newspaper in Akron, Ohio, United States. Owned by Gannett, it is the sole daily newspaper in Akron and is distributed throughout Northeast Ohio. The paper's coverage focuses on local news. The Beacon Journal has won four Pulitzer Prizes: in 1968, 1971, 1987 and 1994. History The paper was founded with the 1897 merger of the ''Summit Beacon,'' first published in 1839, and the ''Akron Evening Journal,'' founded in 1896. In 1903, the ''Beacon Journal'' was purchased by Charles Landon Knight. His son John S. Knight inherited the paper, in 1933, on Charles' death. The ''Beacon Journal'' under Knight was the original and flagship newspaper of Knight Newspaper Company, later called Knight Ridder. The McClatchy Company bought Knight Ridder in June 2006 with intentions of selling 12 Knight Ridder newspapers. On August 2, 2006, McClatchy sold the ''Beacon Journal'' to Black Press. In 2018, GateHouse Media bought the newspaper. On November ...
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