(1). Avoid using orthoptic laser of eyes

   (2). Be can control the usage Laser inside the area, and add caution marking

   (3). Having not yet to admit cannot use, XU3 YOU3 is operate by the personnel of the professional training

   (4). The light beam path surroundings close as far as possible, in order to prevent the laser leak

   (5). Wear a Laser goggle of use the adequacy

   (6). The body avoids into light beam to reflect scope with it inside

   (7). The work object moves to open the reflection thing that need not want beside (such as: Metals material)

   (8). Process the side of the object had better make adequacy to hide

   (9). The Laser essence avoids install as far as possible at the right moment person's eye height

   (10). Notice the Laser processes environment of the airiness or row spirit condition