Site using hard work to process coca leaf

• The part of a coal seam that is being cut
• Coca leaf assortment? Collier may take his pick here

WordNet Word definitions in WordNet
n. the part of a coal seam that is being cut

Longman Dictionary of Contemporary English Word definitions in Longman Dictionary of Contemporary English
noun EXAMPLES FROM CORPUS ▪ At the coalface your guides will explain the different methods of extracting coal and the working conditions of the miners. ▪ Further investment is needed to allow the consortium to open another coalface to speed up production. ...

Wiktionary Word definitions in Wiktionary
n. 1 (context mining English) The part of a coal seam that is currently being mined. 2 (context figurative English) Where difficult or strenuous work is done. 3 (context figurative English) Where practical work is done, as opposed to theoretical or managerial ...