Generally, the length of the timber shall not exceed 12m or 40 feet, the length of the planed timber shall generally be between 260cm and 320cm, and the length shall be increased by multiples, and the diameter shall not exceed 120cm.
Generally, the length of the timber shall not exceed 12m or 40 feet, the length of the planed timber shall generally be between 260cm and 320cm, and the length shall be increased by multiples, and the diameter shall not exceed 120cm.