boss [bosses]+◼◼◼noun[UK: bɒs] [US: ˈbɒs]
captain [captains]+◼◼◻noun[UK: ˈkæp.tɪn] [US: ˈkæp.tən]
mine-controller+noun[UK: maɪn kən.ˈtrəʊ.lə(r)] [US: ˈmaɪn kənˈtro.ʊ.lə(r)]
underlooker (underviewer)+noun[UK: ˌʌndəlˈʊkə] [US: ˌʌndɚlˈʊkɚ]
quarry-master+noun[UK: ˈkwɒ.ri ˈmɑːst.ə(r)] [US: ˈkwɔː.ri ˈmæst.r̩]
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