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Determination of certain substances in electrotechnical products - Disassembly, disjointment and mechanical sample preparation Ingestion-build-44680 relative pressure centre coordinate or1 Scope This part of IEC 62321 provides strategies of sampling along with the mechanical preparation of samples from electrotechnical products, electronic assemblies and electronic components. These samples can be used for analytical testing to determine the levels of certain substances as described in the test methods in other parts of IEC 62321. Restrictions for substances will vary between geographic regions and from time to time. This Standard