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Poles, from which these buildings get their name, are natural shaped or round wooden timbers 4 to 12 inches (100 to 300 mm) in diameter. [4] The structural frame of a pole building is made of tree trunks, utility poles, engineered lumber or chemically pressure-treated squared timbers which may be buried in the ground or anchored to a concrete slab.
A Roman poet Lucretius, in 50 BC, said "Linen-awning, stretched, over mighty theatres, gives forth at times, a cracking roar, when much 'tis beaten about, betwixt the poles and cross-beams". Among the most significant awnings in the ancient world was the velarium , the massive complex of retractable shade structures that could be deployed above ...
The basic design has changed little in thousands of years. A pole marquee consists of a roof canopy supported by tall central poles ("king poles") tensioned using side lines connected to ground pins (or stakes) and smaller supporting poles ("side poles"). The king poles support the bulk of the weight, while the side poles give the fabric shape.
Recently, stainless steel has been used because it is lighter than steel, stronger than aluminium and, as aluminium, does not rust. Tops for most canopies are made from a polyester fabric. High quality canopies should come with a fabric that is UV resistant. Most pop-up canopies are open-sided and without walls, distinguishing them from larger ...
Canopy over a doorway in Fergana, Uzbekistan Canopied entrance to the New York City Subway at the 14th Street–Union Square station. A canopy is a type of overhead roof or else a structure over which a fabric or metal covering is attached, able to provide shade or shelter from weather conditions such as sun, hail, snow and rain.
The head of a pike pole with various implements for pulling items The head of a short firefighter's pike pole. A pike pole is a long metal-topped wooden, aluminium or fiberglass pole used for reaching, hooking and/or pulling on another object. They are variously used in boating, construction, logging, rescue and recovery, power line maintenance ...
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