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Underground coal mining plays an important role in the Polish economy. It is particularly important in the Silesia region, where coal is called black gold. Hard coal mines are the only source of income for thousands of families living in this region, and coal is the basic raw material for the production of electricity and heat. However, the exploitation of coal is inseparable from the negative impact on the environment. The basic ecological problems of mining include: mining damage, areas degraded as a result of m...

In recent years, the packaging market has become an important element of the economy of many countries. Its growing importance is associated with rapid industrial development, globalization, free transfer of goods and growing demand from consumers. Customer requirements affect the growing demand for more functional, colorful, light, flexible, ecological and environmentally safe packaging. Currently, the packaging has become an element that in many cases determines the demand for a given product. In particular, thi...