vˈɛɹi lˈɑːɹdʒ ɡɹˈeɪn pˈaʊdɚz, bˌiːɪŋ sˈʌbdʒɛkt tə dˈiːfɛkts ɪn mˌænjuːfˈæktʃɚɹɪŋ, dɪdnˌɑːt kəmplˈiːtli ɹᵻmˈuːv ðə dˈeɪndʒɚɹ ʌv ˌoʊvɚpɹˈɛʃɚ, æz dˈɛmənstɹˌeɪɾᵻd ɪnðə wˈʌn θˈaʊzənd ˈeɪthˈʌndɹɪd ˈeɪɾi ˈæksɪdənt ɔnðɪ ɪtˈæliən ˈaɪɚŋklæd duːˈɪlɪˌoʊ, wˌɪtʃ ɪnvˈɑːlvd pˈaʊdɚ mˌeɪd æt ðə kˈɛmɪkəl wˈɜːks æt fəsˈɑːnoʊ.
Very large grain powders, being subject to defects in manufacturing, did not completely remove the danger of overpressure, as demonstrated in the 1880 accident on the Italian ironclad Duilio, which involved powder made at the chemical works at Fossano.