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Machine tools. Environmental evaluation of machine tools - Principles for measuring metal-forming machine tools and laser processing machine tools with respect to energy efficiency Ingestion-build-141043 This document specifies the quality1 Scope This document specifies technical requirements and measures for testing procedures for evaluation of energy required to be adopted by persons undertaking the design, manufacture and supply of metal forming and laser processing machine tools in order to achieve reproducible data about the energy supplied under specified conditions. Furthermore, it provides methods for quantifying the energy supplied to components in order to assign their share