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| Leveling course
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Pavement layer, which is installed so that a level surface is underneath the final pavement course to be laid. |
| Leveling rod
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Used along with a transit or builder's level a rod marked with graduated markings is used to measure the differences in elevations. Markings can be had in feet, tenths, hundredths meters, decimeters and centimeters and are in heights up to 25 feet. For greater accuracy, a leveling rod may have a target with markings graduated in one thousandth of a foot on the Vernier scale attached. |
| Leveling vial
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Bubble level, which is part of a transit or dumpy level for surveying. |
| Levelized life cycle cost
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A total life cycle cost divided into equal amounts. |
| Lever
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(1) Rigid bar that is used to move or pry something. (2) Device which has a bar turning around a fixed point, the fulcrum or support, using power or force applied at a second point to lift or sustain a weight at a third point. |
| Leverage
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Use of a small amount of money to purchase a more expensive property. Use of borrowed funds to increase purchasing power. |
| Levy
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(1) The imposition or collection, usually by a legal or governmental authority, of that which is due. (2) Amount of money that is certified to be raised from property tax. |
| Lewis
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An attachment for lifting heavy stones, consisting of a sectioned dovetailed iron piece that fits into a dovetail opening in the stone. |
| Lewis pin
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Metal dowel, which helps to lift a block into position, by being inserted into a hole drilled at a slight angle into the top of the block. |
| Liabilities
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The financial responsibilities and obligations of an individual or firm such as debt, accounts payable, etc. |
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