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Veronika Prepilková, Zuzana Perhácová, Marián Schwarz and Katarína Trnková
There are several sources of mine drainage left over from past mining sites in the Central Slovakian neovolcanites. The neutral pH and high concentrations of sulphates and multiple potentially hazardous elements, such as zinc or manganese, are typical in...
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Miroslav Dado, Marián Schwarz, Jozef Salva, Richard Jankovic and Richard Hnilica
The hand-held power sander is a frequently used tool in woodworking, and it is a significant source of risk in terms of dust, vibration, and, notably, noise. The purpose of a hand-held power sander manufacturer?s noise emission statement is to provide in...
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