It was used as a pesticide, for killing small vertebrates such as birds and rodents.
ɪ t WORD_BOUNDARY w ʌ z WORD_BOUNDARY j uː z d WORD_BOUNDARY æ z WORD_BOUNDARY ʌ WORD_BOUNDARY p ɛ s t ɪ s aɪ d WORD_BOUNDARY f ɔ ɹ WORD_BOUNDARY k ɪ l ɪ ŋ WORD_BOUNDARY s m ɔ l WORD_BOUNDARY v ɜː t ɪ b ɹ eɪ t s WORD_BOUNDARY s ʌ t̠ʃ WORD_BOUNDARY ʌ z WORD_BOUNDARY b ɜː d z WORD_BOUNDARY æ n d WORD_BOUNDARY ɹ oʊ d ə n t s WORD_BOUNDARY