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A building design that uses structural elements of a building to heat and cool a building, without the use of mechanical equipment, which requires careful consideration of the local climate and solar energy resource, building orientation, and landscape fe ...
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A solar water or space-heating system in which solar energy is collected, and/or moved by natural convection without using pumps or fans. Passive systems are typically integral collector/storage (ICS; or batch collectors) or thermosyphon systems. The majo ...
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(1) A cell, the emf of which is due to the potential difference between a metal in an active state and the same metal in a passive state. (2) A corrosion cell in which the anode is a metal in the active state and the cathode is the same metal in the passi ...
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To allow or augment the natural movement of cooler air from exterior, shaded areas of a building through or around a building.
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A condition in which a piece of metal, because of an impervious covering of oxide or other compound, has a potential much more positive than that at the metal in the active state.
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The coating, usually green, that forms on the surface of metals such as copper and copper alloys exposed to the atmosphere. Also used to describe the appearance of a weathered surface of any metal.
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The waters adjacent to a country over which it claims jurisdiction. also, Territorial Waters.
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A hand held pneumatic tool. Designed for light demolition work, digging, making holes etc.
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When a vessel's head falls off from the wind. To pay. To cover over with tar or pitch. To pay out. To slack up on a cable and let it run out.
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The amount of time required for positive cash flows to equal the total investment costs.