Lasers and laser-related equipment. Test methods for laser beam widths, divergence angles and beam propagation ratios. Part 3. Intrinsic and geometrical laser beam classification, propagation and details of test methods
Low-voltage switchgear and controlgear assemblies. Part 7. Assemblies for specific applications such as marinas, camping sites, market squares, electric vehicle charging stations
Design, calculation and strength testing. Methods of mechanical testing of metals. Determination of fracture toughness characteristics under the static loading
