Digital paths of the initial distribution of programs of a sound broadcasting, organized by fiber optical, satellite, radiorelay and cable systems of transfer. Terms and definitions. Structure. Basic parameters. Methods of measurement
Design and manufacture of site built, vertical, cylindrical, flat-bottomed steel tanks for the storage of refrigerated, liquefied gases with operating temperatures between 0 °C and -165 °C. Part 5. Testing, drying, cleaning and cooling
