BLACKBOARD

摘要

PROBLEM TO BE SOLVED: To provide a blackboard, re-utilization of wooden board for which is possible together with changing-over of only a metal surface board by a method wherein the surface board can be easily separated when the surface board of a metal blackboard becomes unfit for use. SOLUTION: This blackboard is formed by pasting the metal surface board 3 for the blackboard through a sheet member 2 peelable a sheet constituent member 2b for comprising a sheet layer 2a between the sheet layers 2a on the wooden board 1.