Vessels and apparatus. Norms and methods of strength calculation. Method of strength calculation of shells and heads according to weld misalignment, angular misalignment and shell nonroundness
Electromagnetic compatibility of technical equipment. Railway systems and equipment. Part 4-2. Emission and immunity of telecommunication equipment. Requirements and test methods
Common test methods for insulating and sheathing materials of electric and optical cables. Part 1-4. Methods for general application. Test at low temperature