Electric motor-operated hand-held tools, transportable tools and lawn and garden machinery. Safety and test methods. Part 2-8. Particular requirements for hand-held shears and nibblers
United power system and isolated power systems. Operational dispatching control. Calculations to determine the possibility of decommissioning of power lines, utilities and devices of electric power facilities classified as objects of dispatching. Norms and requirements
State system for ensuring the uniformity of measurements. National standard. Standard reference data. Laser crystals (Potassium rare-earth tungstates). Elasticity constants. Elasto-optic modules for isotropic diffraction