text_original: In using copper, you must never let them become bare on the inside. If the tin wears off and the copper is exposed to any acid in the food cooked, it is apt to form a poisonous combination.
text_transcription: IN USING COPPER YOU MUST NEVER LET THEM BECOME BARE ON THE INSIDE IF THE TIN WEARS OFF AND THE COPPER IS EXPOSED TO ANY ACID IN THE FOOD COOKED IT IS APT TO FORM A POISONOUS COMBINATION
phonemes: ɪn jˈuːzɪŋ kˈɑːpɚ, juː mˈʌst nˈɛvɚ lˈɛt ðˌɛm bɪkˌʌm bˈɛɹ ɔnðɪ ɪnsˈaɪd. ɪf ðə tˈɪn wˈɛɹz ˈɔf ænd ðə kˈɑːpɚɹ ɪz ɛkspˈoʊzd tʊ ˌɛni ˈæsɪd ɪnðə fˈuːd kˈʊkt, ɪɾ ɪz ˈæpt tə fˈɔːɹm ɐ pˈɔɪzənəs kˌɑːmbᵻnˈeɪʃən.