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underground mine ventilation
/ˌʌndɚɡɹˈaʊnd mˈaɪn vˌɛntɪlˈeɪʃən/
Underground mine ventilation
01
the system that supplies fresh air and removes contaminants from underground mines
grammaticale informatie
Voorbeelden
The underground mine ventilation was upgraded to handle the deeper workings.
LanGeek
