Gel ink ball pens and refills - General use1 Scope This document establishes minimum quality requirements for gel ink ball pens (refillable and non refillable) and refills for general use. Additional requirements for gel ink ball pens for documentary use are given in ISO 276682.

Guidance for managers of places of assembly can be located in BS 5588-12

The electrical equipment exceeding 800 kV includes the following items:

1 Element Symbols

and other materials that tend to be soft at room temperature

BS EN 15152 is a European standard on railway vehicle providing information on windscreens of trains

Annex G (normative) Identification marks for particleboard

BS EN 50571 does not take into account:

Acquirers and users of systems containing software who may provide inputs to the maintenance plan

Following the specifications provided in PD 6507

BS EN 3475-501 provides best practice guidelines on the test methods for measuring the resistance of an insulated conductor of electric cables in aircraft systems

ISO 20064 on the method of test for the determination of brittle crack arrest toughness

Acrylonitrile-butadiene rubber (NBR)