SAMODZIELNA PRACOWNIA INFORMACJI OBRAZOWEJ
Marek Ostrowski
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SAMPER sci-art

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SULPHUR MINE IN GRZYBÓW



Sulphur beds formed as a result of natural microbiological processes, being the product of the degradation of sulphates (e.g. gypsum). The mining of sulphur is carried out by an underground melt-out method devised in Poland.
 
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