Vapochilled, the power hand planes take a delicate hand to use. It is very easy to remove more wood than you want to. The planer in this thread is something different, a machine that will match one side of a board to the other. Most of these machines are able to handle a board 12-1/2" wide. To get truely square wood you must first clean up one side on a joiner. (Sometimes called a jointer) After you have a "true" side you run your wood through a planer and it gives you a top and bottom side that are perfectly even. If you do not use the joiner first you will end up with wood that measures the same thickness but it can look like a roller coaster. Power hand planers are seldom used by home woodworkers. Rough carpenters and door installers would be the likely users.
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