Timekeeping instruments. Crowns and sealed tubes. Designs and dimensions1 Scope This International Standard specifies designs and dimensions of crowns and sealed tubes and their tolerances. This International Standard is applicable to crowns and sealed tubes of mechanical, electromechanical, and electronic wristwatches of water resistant designs.

cables and optical for aircraft and aerospace applications

These are in the UK National Annex to BS EN 1997-1

Exploration and development companies

A classification scheme for dustiness is specified

EN 60320-1:2001

BS 1363-1:1995

1 does not cover metallic materials and products

It describes how to establish what information users need

Mitigation of fire threat

This will be in relation to the installation of energy efficiency measures (EEM) recognized in the UK Government’s Standard Assessment Procedure (SAP) in relation to the Green Deal and the Green Deal Code of Practice

with or without associated activation and drive devices

survey method in accordance with ISO 3746) requires the environmental correction K2A to be less or equal than 7 dB