Workplace exposure. Assessment of sampler performance for measurement of airborne particle concentrations. Part 4. Laboratory performance test based on comparison of concentrations
Lifts. Installation, starting-up and adjustment works of dispatch control systems. Rules of the organization and manufacture of works, performance control and requirement for results of works
State system for ensuring the traceability of measurements. The electrokinetic potential (Zeta potential) particles in colloidal systems. Optical measurement methods
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