31.   Even if the doors have new doorknobs.

32.   If the door has three hinges, you may have to shim the middle one, too.

33.   If the door has glass panels an intruder can easily break the glass, reach in and unlock the door.

34.   If the door has a veneer score the cutting line with a sharp utility knife to minimize splintering.

35.   In addition to the small plexiglass window, the door has a thin slot cut out of the steel through which to pass food trays.

36.   Interior doors have magnetic locks that can be opened only by certain wall-mounted buttons.

37.   It remains to be seen whether the door has been opened wide or merely set ajar only to swing shut again.

38.   Its door has two ebonized columnar spindles glued on each side of an octagonal plaque.

39.   Kitchen cabinets are lower and doors have levers.

40.   Maybe she felt the dog door had somehow come between us ... made our relationship less personal than it once was.