1. pick irradiated horizontally <br>2. art U-shaped manner by irradiating the handwriting or the presence or absence of scratches residue (move with personnel required to implement check) <br>3. Check each sheet of at least 10 seconds
1. Take the treatment in a horizontal way<br>2. Personnel in the U-shaped way of treatment for scratches or handwriting residue (personnel need to move with, in order to implement the inspection)<br>3. At least 10 seconds per view
1. Take the irradiation horizontally<br>2. Whether there is scratch or handwriting residue when the personnel irradiates according to the u-font mode (the personnel shall follow the movement to carry out the inspection)<br>3. Check each piece for at least 10 seconds<br>