| Device which will release the contents of a container before rupture pressures are reached.
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| A valve designed to release water or steam if the temperature and pressure have risen to the point that an explosion could occur.
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| A mechanism on a machine or device that prevents that machine from being operated until the mechanism is deactivated.
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| stair tread which is covered on the top surface with abrasive or non-slip material.
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| Pressure release valve preset to be released when pressure exceeds safe operating limit.
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| Oil from seed of thistle-like plant grown mostly in Egypt and India.
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| Fire-resistant material inserted into a space between a curtain wall and a spandrel beam or column, to retard the passage of fire through the space.
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| A pond occupying depression along a geological fault; the depression is normally due to uneven settling of the ground or other causes.
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| 1. A fresh plaster wall surface has developed a slide. 2. An unevenness or irregularity in a coat of paint, varnish, or lacquer, resulting from too much of the liquid collecting in one spot or area.
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| A portable source of heat in a building under construction, customarily kerosene or oil-burning, used to temporarily heat an enclosure; often used around newly placed concrete to prevent freezing.
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| A financing arrangement in which an owner sells real property to an investor and leases it back, usually for the purpose of freeing invested capital.
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| A tax levied on sales of goods and services which is calculated as a percentage of the purchase price and collected by the seller.
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| Projecting outward from a line, surface or level; the opposite of a reentrant angle.
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| Those waters having a specific conductivity in excess of a solution containing 6,000 parts per million of sodium chloride.
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| A solution of salt in water.
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| A gate or passage in a fortified place for use by troops making a sortie.
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| Relatively soft, under-burned brick, so named because of its color; used mostly where it is protected from the weather and where it does not have to support a great weight.
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| A glaze produced by the reaction, at elevated temperature, between the ceramic body surface and salt fumes produced in the kiln atmosphere.
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| A salt fog test environment.
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| 1. Sodium chloride, NaCl, used for preserving the freshness of food. 2. Substance that results from reaction between acid and base.
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| see Efflorescence.
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| The estimated value of an asset at the end of its economic life.
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| The saving and utilization of waste materials leftover from a remodeling job or a fire.
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| A representative specimen of soil from a site.
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| Material samples requested by the architect of the general contractor or materials specified for the project.
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| The method of obtaining small amounts of material for testing from an agreed-upon lot.
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| A mixture of sand and asphalt cement or cutback or emulsified asphalt; it may be prepared with or without special control of aggregate grading and may or may not contain mineral filler; either mixed-in-place or plant mix construction may be employed; sand asphalt is used in construction of both base and surface courses.
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| A system of abrading a surface such as concrete by a stream of sand, or other abrasive, ejected from a nozzle at high speed by water and/or compressed air.
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| Terrazzo with an underbed that is separated from the structural floor deck by a layer of sand.
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| Remove the gloss of an old surface finish and smooth it prior to refinishing.
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