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For information about apprenticeships or work opportunities in pipelaying , plumbing , pipefitting , and steamfitting , contact local plumbing , heating , and air-conditioning contractors ; a local or State chapter of the National Association of Plumbing , Heating , and Cooling Contractors ; a local chapter of the Mechanical Contractors Association ; a local chapter of the United Association of Journeymen and Apprentices of the Plumbing and Pipefitting Industry of the United States and Canada ; or the nearest office of your State employment service or apprenticeship agency . Mobile Home Contractors , Installers and Apprentices may engage in the connection to local water and waste systems from manufactured and mobile homes only , including maintenance and service which include the operation , adjustment , repair , removal and renovation of such connections . " Association of Journeymen and Apprentices of the Plumbing and Pipefitting Industry of the United States and Canada . The Rise of the United Association is a study of the national union of plumbers , steam fitters , sprinkler fitters , and other pipe trades - - the organization known today as the United Association of Journeymen and Apprentices of the Plumbing and Pipe Fitting Industry of the United States and Canada . She has published books on women 's autobiography in Germany and on women writers in early eighteenth-century Leipzig ( Amazons and Apprentices ) .