Energy saving. Renewable and alternative sources of energy. Heat pumps «air-water» for hausehold thermal supply. General technical requirements and test methods
Printing types. Type family Gazetnaya roublenaya (for alphabets of Russian and roman graphic bases). Range of application. Type face design. Base line. Characters per 4 picas
Non-destructive testing. Non-destructive testing for evaluation of critical high-loaded elements when exposed to significant temperature and forces. General requirements for guidance of the selection of methods
