1. From the degree of insect holes and mold
The wooden skin has a small round hole in the form of worm, and the major defects are not acceptable. There are dark brown mold points on the surface of the wooden skin, and major defects are not acceptable.
2. Look at the size of the knife marks and size
The surface of the wooden veneer has a stripe or sage -shaped bump, depression stripe, and the stripes are raised or the depression height is greater than 0.3mm. The size of the specifications is less than the standard size, which is not acceptable to major defects.
3. From the perspective of unevenness and overlapping
Two adjacent woods are overlapped up and down, and the feel has a significant difference in high and low feel, and the major defects are not acceptable. The thickness of the wooden skin is less than 0.3mm greater than 0.6mm, which is not acceptable.
4, famine and lack of collapse
The local lack of meat and uneven surfaces, light or highlights during light inspection, seriously unacceptable, slightly accepted on the front and back of the front and back, the front is a raised surface, and the reverse side is below the concave side. There is a gap on the surface of the wooden veneer, and the gap diameter is less than 1mm. The repair can be acceptable, and it is not acceptable than 1mm.
5. Passing and pumping and dog teeth
There is a hole in the wooden jam, and the entrance of the hole is less than 1mm. The repair can be acceptable, and it is not acceptable than 1mm. There is a small gap in continuous or intermittent wooden stitching in the wooden veneer, which is acceptable to repair.