surfaced lumber การใช้

• Board foot is the unit of measure for rough lumber ( before drying and planing with no adjustments ) or planed / surfaced lumber.
• Suffice it to say that watching a rough piece of gray-surfaced lumber-- boards that look as if they ought to grace a cattle corral and not one's living room-- become quickly transformed into a glass-smooth piece of highly figured black walnut is a transforming experience.