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SMACNA standards and manuals address all facets of the sheet metal industry, from duct construction and installation to indoor air quality and air pollution control, from energy recovery to roofing. SMACNA's Technical Resources Department fields several thousand technical questions annually from architects, engineers, manufacturers and ...
Copper Leader Head at Penn's Quadrangle, Philadelphia 1894 Copper Leader at Shofuso Japanese House and Garden in Philadelphia. The purpose of a leader head is to help transfer excess water from the roof onto downspouts, thus preventing the gutters from overflowing and water washing over the walls, which is a common occurrence in areas susceptible to heavy rain cycles.
A street gutter is a depression that runs parallel to a road and is designed to collect rainwater that flows along the street diverting it into a storm drain. A gutter alleviates water buildup on a street, allows pedestrians to pass without walking through puddles, and reduces the risk of hydroplaning by road vehicles.
Air conditioning has become increasingly prevalent on public transport vehicles as a form of climate control, and to ensure passenger comfort and drivers' occupational safety and health. In hot weather, air conditioning can prevent heat stroke , dehydration due to excessive sweating , electrolyte imbalance , kidney failure , and other issues ...
Gutter, in typography, the space between columns of printed text Gutter, in bookbinding , page edges joined to the spine Gutter (philately) , the space between panes of postage stamps that creates configurations of "gutter pairs" or "gutter blocks"
A diagram displaying equal margins of width 25mm on an A4 page. In typography, a margin is the area between the main content of a page and the page edges. [1] The margin helps to define where a line of text begins and ends.
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The Manning formula or Manning's equation is an empirical formula estimating the average velocity of a liquid in an open channel flow (flowing in a conduit that does not completely enclose the liquid).