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noun | verb | to phrases
overburden ['əuvə'bɜ:dn] n
coal. pământ extras
overburden ['əuvə'bɜ:dn] v
coal. strat de copertă
overburden The material such as soil and rock lying above a mineral deposit that must be removed in order to work the deposit v
environ. suprasarcină
overburden: 6 phrases in 3 subjects
Coal1
Construction4
Statistics1