The ornamental design for a portion of a wall of an escalator, moving walkway, elevator, or lifting apparatus, as shown and described.
The drawing FIGURE is a front view of a portion of a wall of an escalator, moving walkway, elevator, or lifting apparatus.
The broken lines surrounding the portion of a wall of an escalator, moving walkway, elevator, or lifting apparatus represent unclaimed environmental structure and the boundaries of the clam and form no part thereof.
The portion of a wall of an escalator, moving walkway, elevator, or lifting apparatus is flat and planar.
The illustrated design may be included on a portion of a wall of an escalator, moving walkway, elevator, or lifting apparatus having a of a diamond horizontal appearance.