In 1921 the Metre Convention was extended to include all physical measurements including time, electricity and temperature.
ɪ n WORD_BOUNDARY n aɪ n t iː n h ʌ n d ɹ ɪ d WORD_BOUNDARY t w ɛ n t i WORD_BOUNDARY w ʌ n WORD_BOUNDARY ð ə WORD_BOUNDARY m iː t ə ɹ WORD_BOUNDARY k ə n v ɛ n ʃ ə n WORD_BOUNDARY w ʌ z WORD_BOUNDARY ɛ k s t ɛ n d ɪ d WORD_BOUNDARY t ʊ WORD_BOUNDARY ɪ ŋ k l uː d WORD_BOUNDARY ɔ l WORD_BOUNDARY f ɪ z ɪ k ə l WORD_BOUNDARY m ɛ ʒ ə ɹ m ə n t s WORD_BOUNDARY ɪ ŋ k l uː d ɪ ŋ WORD_BOUNDARY t aɪ m WORD_BOUNDARY ɪ l ɛ k t ɹ ɪ s ɪ t i WORD_BOUNDARY æ n d WORD_BOUNDARY t ɛ m p ɹ ɪ t̠ʃ ə ɹ WORD_BOUNDARY