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Awnings were first used by the ancient Egyptian and Syrian civilizations. They are described as "woven mats" that shaded market stalls and homes. 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".
The canopy of a tropical forest is typically about 10 m (33 ft) thick, and intercepts around 95% of the sunlight. [1] The understory therefore receives less intense light than plants in the canopy and such light as does penetrate is impoverished in wavelengths of light that are most effective for photosynthesis.
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. [1]
Golden Oakland® Holly is available from garden centers and online retailers as potted plants for early spring or fall planting. Space plants according to their mature width of 12 to 15 feet.
Canopy trees are able to photosynthesize relatively rapidly with abundant light, so it supports the majority of primary productivity in forests. The canopy layer provides protection from strong winds and storms while also intercepting sunlight and precipitation, leading to a relatively sparsely vegetated understory layer.
In rock climbing, an anchor can be any device or method for attaching a climber, rope, or load to a climbing surface—typically rock, ice, steep dirt, or a building—either permanently or temporarily. The intention of an anchor is case-specific but is usually for fall protection, primarily fall arrest and fall restraint.
One important addition to the new code was the requirement of missile-impact resisting glass, which can withstand high-velocity impact from wind-borne debris during a hurricane. Many houses built in South Florida since Hurricane Andrew are cinder block masonry construction reinforced with concrete pillars, hurricane-strapped roof trusses , and ...
Spinnaker is a recreational activity that is commonly mistaken as parasailing. Both of them allow people to ascend on the ocean by using the wind force against a specially designed canopy. Parasailing includes ascending, while spinnaker allows a person to swing at the front of the tow vehicle (i.e. a boat).