Ladder access to loft. Pull out when using, fold flat when not.
Surface sanders, also called drum sanders, have really come a long way. It’s not that long ago that you’d only find surface sanders in large, commercial shops. Today, sanders have become way more prevalent in small shops, and way more accessible to woodworkers.
Due to the continuation of the staircase to slabs at its base and top, negative bending moments are formed at the supports (upper fibers tension) and therefore rebars are required at the upper fibers at both ends.