ˈɔːl lˈaɪts ænd ˈɑːptɪkəlz fɹʌmðɪ ˈænsɚ pɹˈɪnt ɑːɹ ɹᵻpˈiːɾᵻd wɛn stɹˈaɪkɪŋ ðɪ ˌɪntɚpˈɑːzᵻtˌɪv, ænd wˈʌns ðɪ ˌaɪpˈiː ɛɡzˈɪsts ðɪ ɚɹˈɪdʒɪnəl nˈɛɡətˌɪv kæn biː vˈɔltᵻd.
All lights and opticals from the answer print are repeated when striking the interpositive, and once the IP exists the original negative can be vaulted.