“The frame is now holding a 10 inch by 8 inch photograph in the "landscape" position on display. The long (horizontal) side at the top shows a very sllight "bowing". . In time can dust get in there? If so can another short screw/bolt- such as is provided as the short bolt/nut like theset of two already provided be put in the frame centre top to flatten the frame the top edge. This is a bit trivial.”