9 Lasers and their constructional linked parts; Control apparatus for lasers and laser apparatus; Coolers for lasers; Optical lenses for lasers; Optical mirrors for lasers; Clothing for radiation protection; Scientific, surveying, optical, measuring, signal, control apparatus and instruments, which apparatus and instruments include lasers; Apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity in connection with machine tools, lasers, laser systems and control apparatus for lasers and laser systems