introduction: INTRODUCTION introduction_iev: INTRODUCTION
Principles and rules followed foreword: FOREWORD BSI: BRITISH STANDARDS INSTITUTE formula: Equation inequality: Inequality section_iev: Section price-code: Price Code term_def_boilerplate: |

ISO and IEC maintain terminological databases for use in standardization at the following addresses:

norm_with_refs_pref: The following documents are referred to in the text in such a way that some or all of their content constitutes provisions of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. biblio_pref: For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. internal_terms_boilerplate: |

For the purposes of this British Standard, the following terms and definitions apply.

external_terms_boilerplate: |

For the purposes of this British Standard, the terms and definitions given in % apply.

internal_external_terms_boilerplate: |

For the purposes of this British Standard, the terms and definitions given in % and the following apply.

commentary: COMMENTARY %1 ON %2 commentary_xref: Commentary %1 on %2 doctype_dict: international-standard: International Standard technical-specification: Technical Specification technical-report: Technical Report publicly-available-specification: Publicly Available Specification international-workshop-agreement: International Workshop Agreement guide: Guide interpretation-sheet: Interpretation Sheet function_dict: emc: Basic EMC Publication safety: Basic Safety Publication environment: Basic Environment Publication quality-assurance: Basic Quality Assurance Publication horizontal_dict: "true": Horizontal Standard "false":