A composite structural material suitable, for example, as a replacement for wooden boards, is disclosed. A very hot plasma containing an active material is produced in vacuum chamber. Using the pattern, the tree is walked to identify the location of the leaf to be deleted. Accordingly, the position of the connection cable 4 may be changed to an arbitrary one corresponding to a state of use regarding such electronic devices, and the connection cable 4 may not become an obstacle. A connection and control coordinates the operation thereof. The marking is applied onto an item, good or article by a variable information printing process.