Why does the order form ask if I want left hand doors or right hand doors?
A left hand door is one with the hinges on the left when you look at the door from the outside of the cabinet with the door closed
If the door is reversible, for instance a "Lincoln" door with no pattern, or a "shaker" door, with a symmetrical pattern, then it normally isn't necessary to specify a "handing" because the door can be turned upside down to hinge on either side.
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