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This includes the elaboration of:
Annex A (normative) Criteria for the assessment of stair suitability
A pulse of longitudinal vibrations is produced by an electro-acoustical transducer held in contact with one surface of the concrete under test
especially those based on copper
Financial services. Requirements for message authentication using symmetric techniques Ingestion-build-279162 This includes the elaboration of:1 Scope This International Standard specifies procedures, independent of the transmission process, for protecting the integrity of transmitted banking messages and for verifying that a message has originated from an authorized source. A list of block ciphers approved for the calculation of a message authentication code (MAC) is also provided. The authentication methods it defines are applicable to messages formatted and transmitted both as coded