| To met and cross at a point.
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| A place where two or more things meet and cross at a point.
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| Government body which controls the design and construction of pressure containers.
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| A space that is between things, like the grout space between ceramic tiles.
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| A person not having made a will before death.
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| Natural or unpainted; the natural unfinished surface of the wood.
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| To foam, swell, froth, or bubble up as a result of heat, liquid, air or chemical action.
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| An enlarging, swelling or bubbling up, as under the action of heat.
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| Includes all material, labor and overhead on jobs which are currently in progress, less any amounts which have been billed to customers.
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| The inside bottom elevation; the flow line.
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| The lowest inside surface of a manhole; a channel in the manhole through which wastewater or stormwater flows.
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| The lowest portion of the inside of any horizontal pipe.
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| Arches that appear to have been built upside down; used to distribute the weight of the wall from pier to pier.
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| A roofing system where the membrane is applied to the substrate and the insulation boards are on top, weighted down by gravel and rock ballast.
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| A membrane roof assembly in which the thermal insulation lies above the membrane.
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| A hinge so constructed that no parts are exposed when the door is closed.
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| A formal written invitation to submit a bid, usually placed in trade papers or newspapers, informing prospective bidders about a project; necessary for public work but not for private work.
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| A closed list of bidders decided by owner and architect as the only ones who may bid a job.
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| A list of goods shipped or services rendered, with prices and charges.
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| Any legal claim that is placed on a property without the permission of the owner, such as a mechanics lien.
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| A curve traced by a thread unwound from another curve.
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| A means of identifying and specifying qualities of oils, resins and waxes, based on fact that different qualities of these products will absorb different quantities of iodine.
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| A chemical compound containing iodine; potassium or sodium iodide, when used with a suitable oxidizing agent such as chlorine, will release iodine in pool water.
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| Group of atoms or an atom electrically charged.
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| The order of Greek architecture characterized by a column with scroll shapes on either side of the capital.
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| A mechanical device indicating the presence of certain gaseous compounds and amount of ions produced when subjected to ultraviolet light or hydrogen flame.
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| Breaking up of molecules into two or more oppositely charged ions; an ion is one of electrified particles into which molecules are divided by the use of water and other solvents.
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| Integrated Pest Management.
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| Iron pipe size
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| Electrical term indicating the loss in a circuit expressed in amperes times resistance (1 x R) or voltage drop.
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