Geometrical product specifications (GPS). Geometrical tolerancing. Datums and datum systems1 Scope This International Standard specifies terminology, rules and methodology for the indication and understanding of datums and datum systems in technical product documentation. This International Standard also provides explanations to assist the user in understanding the concepts involved. This International Standard defines the specification operator (see ISO 17450 2) used to establish a datum or datum system. The verification operator (see ISO

BS 8617 is a standard that provides a code of practice for the personal protective equipment of firefighters

unexpected start-up

Gas-fired heater manufacturers

testability analysis

bonnets of various soft materials and endless belts

low-temperature services

With BS EN 24937 you can be ensured that the products consistently meet and exceed quality assurance targets by potentiometric or visual titration method

and maintainers of earthing and lightning protection equipment

as in ISO 16232)

Note2: Compliance profiles may extend their scope beyond that shown in Figure 1 to include interoperability of sensors and actuators

Manufacturers of catering equipment

BS G 246 provides design requirements for cable ties used in the aerospace industry