| 摘要 |
PROBLEM TO BE SOLVED: To provide a method utilizing a large quantity of small diameter wood such as useless lumber from thining which are left in a forest as they are and as a result, deterioration of global environment is accelerated due to dispersion of carbon dioxide gas caused by their corrosion in order to improve the present situation. SOLUTION: Lumber from thinning having a small diameter are processed to have a mutually connectable shape and mutually connected to each other to utilize them for setting up a building as floors, walls, and roof members.
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