Electronic publications, namely books and manuals in the field of plumbing standards recorded on computer media and downloadable books and manuals in the field of plumbing standards

'book':4,19 'comput':15 'download':18 'electron':1 'field':9,24 'manual':6,21 'media':16 'name':3 'plumb':11,26 'public':2 'record':13 'standard':12,27

Books, manuals, study guides, and training guides in the field of plumbing standards

'book':1 'field':10 'guid':4,7 'manual':2 'plumb':12 'standard':13 'studi':3 'train':6

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