dˈʊɹɹɪŋ ðə pˈiəɹɪəd ʌv kəmpˈʌlsɚɹi jˈuːniənˌɪzəm ðɪs ˈæktᵻd æz ɐ wˈeɪ ʌv ɛnʃˈʊɹɹɪŋ ðæt ˈɔːl wˈɜːkɚz wɜː faɪnˈænʃəl mˈɛmbɚz ʌv ðɛɹ ɹˈɛlᵻvənt jˈuːniən æz ðɪ ˌɪndᵻvˈɪdʒuːəli nˈʌmbɚd bˈædʒᵻz ˈɪndᵻkˌeɪɾᵻd wˌɪtʃ jˈuːniən ðeɪ wɜːɹ ɐ mˈɛmbɚ, ænd wˌɪtʃ ʃˈɪft ðeɪ wˈɜːkt ˌɔn ɪf ðeɪ wɜː mˈaɪnɚz.
During the period of compulsory unionism this acted as a way of ensuring that all workers were financial members of their relevant union as the individually numbered badges indicated which union they were a member, and which shift they worked on if they were miners.