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  2. Vacancy defect - Wikipedia

    en.wikipedia.org/wiki/Vacancy_defect

    where N v is the vacancy concentration, Q v is the energy required for vacancy formation, k B is the Boltzmann constant, T is the absolute temperature, and N is the concentration of atomic sites i.e. = where ρ is density, N A the Avogadro constant, and M the molar mass. It is the simplest point defect.

  3. Fill dirt - Wikipedia

    en.wikipedia.org/wiki/Fill_dirt

    Fill dirt is taken from a location where soil is being removed as a part of leveling an area for construction; it may also contain sand, rocks, and stones, as well as earth. Fill dirt should be as free of organic matter as possible since organic matter will decompose creating pockets of empty space within the fill which could result in settling ...

  4. Material removal rate - Wikipedia

    en.wikipedia.org/wiki/Material_removal_rate

    Material removal rate (MRR) is the amount of material removed per time unit (usually per minute) when performing machining operations such as using a lathe or milling machine. The more material removed per minute, the higher the material removal rate. [1] [2] The MRR is a single number that enables you to do this. It is a direct indicator of ...

  5. Cubic yard - Wikipedia

    en.wikipedia.org/wiki/Cubic_yard

    A cubic yard (symbol yd 3) [1] is an Imperial / U.S. customary (non-SI non-metric) unit of volume, used in Canada and the United States. It is defined as the volume of a cube with sides of 1 yard (3 feet , 36 inches , 0.9144 meters ) in length .

  6. Gravel - Wikipedia

    en.wikipedia.org/wiki/Gravel

    ISO 14688 grades gravels as fine, medium, and coarse, with ranges 2–6.3 mm (0.079–0.248 in) for fine and 20–63 mm (0.79–2.48 in) for coarse. One cubic metre of gravel typically weighs about 1,800 kg (4,000 lb), or one cubic yard weighs about 3,000 lb (1,400 kg). Gravel is an important commercial product, with a number of applications.

  7. FEMA employee fired for urging team to not help homes with ...

    www.aol.com/news/fema-employee-fired-urging-team...

    The U.S. Federal Emergency Management Agency - whose mission is to help people before, during and after disasters - fired an employee who advised her survivor assistance team in Florida to not go ...

  8. Volume - Wikipedia

    en.wikipedia.org/wiki/Volume

    Because the volume occupies three dimensions, if the metre (m) is chosen as a unit of length, the corresponding unit of volume is the cubic metre (m 3). The cubic metre is also a SI derived unit. [16] Therefore, volume has a unit dimension of L 3. [17] The metric units of volume uses metric prefixes, strictly in powers of ten. When applying ...

  9. James A. Runde - Pay Pals - The Huffington Post

    data.huffingtonpost.com/paypals/james-a-runde

    From January 2008 to December 2012, if you bought shares in companies when James A. Runde joined the board, and sold them when he left, you would have a -2.4 percent return on your investment, compared to a -2.8 percent return from the S&P 500.