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National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Perception of addictive substances from the point of view of pupils of the 2nd level of elementary schools and secondary school students
 VOZÁBAL, Václav
The thesis consists of two parts, theoretical and practical. The aim of this work was to analyze the situation at the second stage of two primary schools, which is related to the perception of addictive substances. In the theoretical part of the thesis, the aim was to address the issue of addictive substances, to define addictive substances and their effects on the personality of an individual. The aim was also to mention the effects of drugs on the body and to describe the principles of primary prevention. In the practical part, the perception of the addictive substances of secondary school pupils and the students of secondary school was examined and mapped using appropriate means. The results from primary and secondary school were then compared with each other.
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Vliv komunální techniky na životní prostředí
 VOZÁBAL, Václav
This bachelor work is focused on communal technology from the perspective of its impact on environment and noise pollution. Communal technology is in this case understood as brush cutter, drum chipper and riding mower. The primary aim of this work is the practical measurement of the noise in different locations. In this bachelor work, I focused on the choice of stations, which were suitable for measuring of the noise and also for the measuring near the source of the noise. After the detailed measurement of the noise, I subsequently carried out the calculation of the equivalent level of the noise, the lowest and the highest acoustic pressure. All the data, which I gained, are transferred to graphs and tables. The final values are compared to hygienic limits of the sheltered exterior areas and evaluated according to the valid legislation.
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