ðeɪ wˈɜːkt ˌʌndɚ kˈɑːntɹækt æz skˈɪld stˈoʊnmeɪsənz, blˈæksmɪθs, ænd kˈɑːɹpəntɚz ɔːlðˈoʊ hˈʌndɹɪdz ʌv ðˌɛm wɜː slˈeɪvz.
They worked under contract as skilled stonemasons, blacksmiths, and carpenters although hundreds of them were slaves.