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Bright Outlook Occupation: 49-9021.00 - Heating, Air Conditioning, and Refrigeration Mechanics and Installers

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“Bright Outlook Occupation: 49-9021.00 - Heating, Air Conditioning, and Refrigeration Mechanics and Installers.” O*NET OnLine, National Center for O*NET Development, www.onetonline.org/help/bright/49-9021.00. Accessed 14 July 2020.

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National Center for O*NET Development. Bright Outlook Occupation: 49-9021.00 - Heating, Air Conditioning, and Refrigeration Mechanics and Installers. O*NET OnLine. Retrieved July 14, 2020, from https://www.onetonline.org/help/bright/49-9021.00

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