Method for sub natural fitment of round wood and semi wood, involves effective help to forestry and national economy concerning economy and environment protection and cheap manufacturing with improved heat insulation are developed

摘要

The method involves an effective help to the forestry and national economy concerning economy and environment protection. The cheap manufacturing possibilities with improved heat insulation are developed for the timber frame construction. The round wood and semi wood is better than the square wood. The back staff also used as professional by new working technology. It does not require high labor work for the manufacturing as in case of square timber manufacturing. The temporary building is simply and cost effectively built during emergency. An independent claim is included for the device for sub natural fitment of round wood and semi wood.