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clay percentage | |||
clay content | |||
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metal blue test (MBT) |
содержание глины : 23 phrases in 10 subjects |
Agriculture | 1 |
Agrochemistry | 1 |
Cement | 1 |
Construction | 3 |
Electronics | 1 |
Geology | 3 |
Natural resourses and wildlife conservation | 1 |
Oil / petroleum | 9 |
Oilfields | 1 |
Sakhalin | 2 |