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  • refrigerant - wikipedia

    Refrigerant - Wikipedia

    A refrigerant is a substance or mixture, usually a fluid, used in a heat pump and refrigeration cycle.In most cycles it undergoes phase transitions from a liquid to a gas and back again. Many working fluids have been used for such purposes. Fluorocarbons, especially chlorofluorocarbons, became commonplace in the 20th century, but they are being phased out because of their ozone depletion …

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    2010 Standard Occupational Classification System

    Jun 20, 2018· Plan, direct, or coordinate the operations of public or private sector organizations. Duties and responsibilities include formulating policies, managing daily operations, and planning the use of materials and human resources, but are too diverse and general in nature to be classified in any one functional area of management or administration, such as personnel, purchasing, or administrative

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    (PDF) Fire Code IRR of RA 9514 (Fire Code of the Phils

    Fire Code IRR of RA 9514 (Fire Code of the Phils) Download. Fire Code IRR of RA 9514 (Fire Code of the Phils)

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