Recreational diving services. Requirements for the conduct of snorkelling excursions1 Scope This International Standard specifies minimum requirements for service providers offering supervised recreational snorkelling excursions. This International Standard applies to activities that will include participants being taken into an open water environment. It does not apply to activities that are exclusively conducted in a confined water environment, e. g. pools. This International Standard also specifies particular conditions under

compliance with BS EN 25827 can ensure your spot welding electrode back-ups and clamps play a positive role in the overall welding equipment performance and welding process

The title of the standard is changed and adapted to the series as Part 3-4

Why should you use BS EN 1173 – Copper and copper alloys

NOTE 1 In addition to the terms used in the three official ISO languages (English

Who is ISO 20764 - water in petroleum products - nitrogen purge method for

Addition of precipitation hardening grade 1

Who is BS 6319-9 – Peak exotherm temperature of resin compositions for

2 Data file

BS EN 60130-9:2011 includes some technical changes with respect to EN 60130-9:2000

flexural strength (expressed as breaking load) and thermal resistance (expressed as thermal conductivity)

BS EN 4592 is a European standard that specifies the method of test for determining the infrared reflectance of paints and varnishes for aerospace applications

marking techniques