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1. Backfilling the center of a pipe trench of an [[irrigation]] system, leaving the fittings exposed so that a pressure test can be conducted.<br><br> | 1. Backfilling the center of a pipe trench of an [[irrigation]] system, leaving the fittings exposed so that a pressure test can be conducted.<br><br> | ||
Revision as of 13:03, 16 July 2007
1. Backfilling the center of a pipe trench of an irrigation system, leaving the fittings exposed so that a pressure test can be conducted.