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clay | |||
chalk | |||
pottery clay | |||
amorphous calcium carbonate | |||
limestone; potter's clay | |||
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Crete |
creta : 23 phrases in 8 subjects |
Agriculture | 2 |
Chemistry | 5 |
Coal | 3 |
Earth sciences | 2 |
General | 1 |
Life sciences | 1 |
Metallurgy | 7 |
Natural resourses and wildlife conservation | 2 |