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breaking down[′brāk·iŋ ′dau̇n]
The procedure of unscrewing the drill stem into single joints and placing them on the pipe rack either after a well has been completed or when pipe size is being changed.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
breaking down, conversion
The process of sawing logs into boards.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.