Standard Test Method for Density of Glass by the Sink-Float Comparator Ingestion-build-232773 it may be used for

it may be used for periodic inspections according to the IEC 62446 series and for trouble-shooting the cause of underperforming systems

BS 6913-10 on plugs for earth moving machinery is useful for:

30 mm BS test sieve or retained on a 63

ISO/TS 18507 provides guidelines for the characterization of biological and environmental samples with TXRF spectroscopy

BS 4444 also provide you with the methods for evaluating the integrity of the earth connections and knowing whether the earth return paths are in a healthy state to carry earth fault currents

Standard Test Method for Density of Glass by the Sink-Float Comparator Ingestion-build-232773 it may be used for