| http://www.w3.org/ns/prov#value | - A description will now be given as to embodiments in which laser beam detecting means detects whether a laser beam is a laser beam having a predetermined specified value from a surface processed by the laser beam with reference to FIGS. 13D and 13E. In the seventh to ninth embodiments, the photodetector 229 performs detection, and a photodetection value of the photodetector 229 is measured to dete
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