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BS EN 81 discusses safety rules for the construction and installation of lifts
intermediate or distribution copies
nor to fixed anchor points forming part of the original structure
Annex A (normative) Training of appointed persons for lorry loader operations
Soil improvers and growing media. Determination of pH Ingestion-build-256245 BS EN 81 discusses safety1 Scope This European Standard specifies an instrumental method for the routine determination of pH in a suspension of soil improvers or growing media. This method is not applicable to liming materials and preformed materials such as mineral wool slabs and foam slabs. NOTE The requirements of the standard may differ from the national legal requirements for the declaration of the products concerned.