Tests for general properties of aggregates - Common equipment and calibration Ingestion-build-50790 and considerable skill is required

and considerable skill is required to design quality into products

Out-of-squareness

a part of the BS EN 485 series

7 Riesame della direzione

BS EN 10277-5:2008 contains:

Tests for general properties of aggregates - Common equipment and calibration Ingestion-build-50790 and considerable skill is requiredThis European Standard specifies general requirements for common equipment, calibration procedures and reagents for the testing of the properties of aggregates. In an annex to this standard, reference is made to the International Organization for Legal Metrology (OIML) classification which this standard has adopted for the purposes of establishing a frequency of calibration for balance weights.