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oil shale ['ɔɪlʃeɪl]
mining. shale bituminuż
oil shale A kerogen-bearing, finely laminated brown or black sedimentary rock that will yield liquid or gaseous hydrocarbons on distillation ['ɔɪlʃeɪl]
environ. blata b'depożiti minerali taż-żejt (shale)
oil shale: 2 phrases in 1 subject
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