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gas tungsten arc welding
It could be employed as a non-destructive in-line 100 % screen to detect and eliminate devices with lower-than-normal mechanical strengths in any of the structural elements when proper stress levels have been established
pressure resistance
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The protection of bearings and other mechanical parts is not included
Lasers and laser-related equipment. Test methods for determination of the shape of a laser beam wavefront - Terminology and fundamental aspects not-for-sale gas tungsten arc welding1 Scope This part of ISO 15367 specifies methods for the measurement of the topography of the wavefront of a laser beam by measurement and interpretation of the spatial distribution of the phase of that wavefront across a plane approximately perpendicular to its direction of propagation. Requirements are given for the measurement and analysis of phase distribution data to provide quantitative wavefront parameters and their uncertainty in a test