ISO 20289-2018 Surface chemical analysis - Total reflection X-ray fluorescence analysis of water

ISO 20283-5-2016 Mechanical vibration - Measurement of vibration on ships - Part 5: Guidelines for measurement, evaluation and reporting of vibration with regard to habitability on passenger and merchant ships ISO 20283-4-2012 Mechanical vibration - Measurement of vibration on ships - Part 4: Measurement and evaluation of vibration of the ship propulsion machinery ISO 20283-4-2012/amd1-2014 ISO 20290-1-2021 Aggregates for concrete — Test methods for mechanical and physical properties — Part 1: Determination of bulk density, particle density, particle mass-per-volume and water absorption ISO 20290-2-2019 AGGREGATES FOR CONCRETE - TEST METHODS FOR MECHANICAL AND PHYSICAL PROPERTIES - PART 2: METHOD FOR DETERMINATION OF RESISTANCE TO FRAGMENTATION BY LOS ANGELES TEST (LA-TEST) ISO 20290-3-2019 AGGREGATES FOR CONCRETE - TEST METHODS FOR MECHANICAL AND PHYSICAL PROPERTIES - PART 3: DETERMINATION OF AGGREGATE CRUSHING VALUE (ACV)