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  2. Drainage equation - Wikipedia

    en.wikipedia.org/wiki/Drainage_equation

    The drainage formula can be amplified [10] to account for (see figure on the right): the additional energy associated with the incoming percolation water , see groundwater energy balance; multiple soil layers; anisotropic hydraulic conductivity, the vertical conductivity (Kv) being different from the horizontal (Kh)

  3. Construction estimating software - Wikipedia

    en.wikipedia.org/wiki/Construction_estimating...

    A handwritten spreadsheet. A basic estimating spreadsheet. Cost estimators used columnar sheets of paper to organize the take-off and the estimate itself into rows of items and columns containing the description, quantity and the pricing components. Some of these were similar to accounting ledger paper.

  4. Tile drainage - Wikipedia

    en.wikipedia.org/wiki/Tile_drainage

    Tile drainage is a form of agricultural drainage system that removes excess sub-surface water from fields to allow sufficient air space within the soil, proper cultivation, and access by heavy machinery to tend and harvest crops.

  5. Percentage-of-completion method - Wikipedia

    en.wikipedia.org/wiki/Percentage-of-Completion...

    Revenues and gross profit are recognized each period based on the construction progress, in other words, the percentage of completion. Construction costs plus gross profit earned to date are accumulated in an asset account (construction in process, also called construction in progress), and progress billings are accumulated in a liability account (billing on construction in process).

  6. Antistatic agent - Wikipedia

    en.wikipedia.org/wiki/Antistatic_agent

    An antistatic agent is a compound used for treatment of materials or their surfaces in order to reduce or eliminate buildup of static electricity. Static charge may be generated by the triboelectric effect [1] or by a non-contact process using a high voltage power source. Static charge may be introduced on a surface as part of an in-mold label ...

  7. German far-right leader is Chinese-speaking economist with ...

    www.aol.com/news/german-far-afd-leader-chinese...

    The party is polling in second place on around 17%, after the conservatives on 33% but well ahead of Chancellor Olaf Scholz's Social Democrats on 15%, the Greens on 14% and the pro-market Free ...

  8. Floor slip resistance testing - Wikipedia

    en.wikipedia.org/wiki/Floor_slip_resistance_testing

    Pendulum floor slip resistance tester. The ASTM E303-22 [1] (United States), BS EN 16165:2021, [2] BS EN 13036-4:2011 [3] (United Kingdom and many other European nations), AS 4663:2013 - Slip resistance of existing pedestrian surfaces, and AS 4586:2013 - Slip resistance classification of new pedestrian surface materials (Australia/New Zealand) slip resistance test standards define the pendulum ...

  9. What is an annuity? Here’s what you need to know before ...

    www.aol.com/finance/what-is-an-annuity-200110157...

    For example, cashing out a $100,000 annuity in year one could cost $7,000 in surrender fees. You may also owe income taxes and a 10% IRS penalty if you're under age 59 1/2.