coalface: translation
coalface coal‧face [ˈkəʊlfeɪs ǁ ˈkoʊl-] noun [countable usually singular]
1. the part of a coal mine where coal is cut from the earth
2. at the coalface doing work and gaining experience yourself, rather than studying or reading:
• his experiences in dealing with boards and managers at the coalface in retail banking
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coalface UK US /ˈkəʊlfeɪs/ noun [C]
► PRODUCTION
● at the coalface — Cf. at the coalface