Ophthalmic instruments. Background for light hazard specification in ophthalmic instrument standards algolia-ignore This International Standard specifies a

This International Standard specifies a method for the determination of length and width of textile fabrics that are in a tension-free relaxed state

Steeplejacks and steeplejack operations are not covered in BS 5974

c) the bending load requirement has been replaced by a bending strength requirement and the test method has been modified accordingly

BS EN 3218-001 provides a test section in which special test methods are given

Ophthalmic instruments. Background for light hazard specification in ophthalmic instrument standards algolia-ignore This International Standard specifies a1 Scope The purpose of this Technical Report is to provide detailed information on the rationale behind the limit values and the requirements of ISO 15004 2[52]. The specifications in ISO 15004 2 are substantially revised from those in ISO 15004: 1997[50].