Resource saving. Reference documents on secondary production resources. Guidelines for the development and description of technical and economic indicators of the use of secondary resources
State system for ensuring the uniformity of measurements. State verification schedule for instruments measuring the content of components in liquid and solid media. Basic principles
Vibration. Evaluation of machine vibration by measurements on non-rotating parts. Part 3. Industrial machines with nominal power above 15 kW and nominal speeds between 120 r/min and 15000 r/min
