The following standard contains provisions which, through reference in this text, constitute provisions of this part of ISO 5682. At the time of publication, the edition indicated was valid. All standards are subject to revision, and parties to agreements based on this part of ISO 5682 are encouraged to investigate the possibility of applying the most recent edition of the standard indicated below. Members of IEC and ISO maintain registers of currently valid International Standards. ISO 5681:1992, Equipment for crop protection — Vocabulary.