● A laser radiation beam and light dispersion are dangerous because eyes and skin may be exposed to radiation. When performing maintenance check and optical system adjustment work, please perform it wearing the eye shield corresponding to the wavelength of laser after taking sufficient safety measures and warning to the circumference certainly. ● Setting of a laser controlled area ● Laser irradiation outside a laser controlled area, and prohibition of automatic operation. ● Selection of a person in charge of laser management, and safety education of the laser to workers● Obligation of regularly wearing an eye shield when working in a controlled area (Reference: JIS C6802, Japanese Standards Association)