Presented thesis entitled “Cleanliness of components management implementation” with analysis of the currently applied cleanliness management system in the organization, identification of the root causes of contamination in production, suggestion of the possible solution and recommendation of actions. All material presented in this thesis were collected in Mann+Hummel (CZ) s.r.o., a producer of filters and fluid circuits for automotive industry.

This dissertation is focused on a research of using methods of Lean Production in working environment of selected companies in the Czech Republic. In the introduction the author mentioned theoretic facts about Lean Production, which is originally from Japan. The rest of dissertation also included characteristics of selected companies and description of situations in companies before and after using Lean Production methods. At the end of each part we can find conclusion and suggestion of specific new steps for these companies. A company, called Linde Pohony s.r.o. Český Krumlov, have been using these methods: TPM, 5S and visual management. In a company Rohde & Schwarz, which is located in Vimperk, have been using the methods of Lean Production. : Kanban and also visual management. And a company ČSAT a.s. Praha have been testing methods of Lean Production: MUDA, 5S, Kaizen with a diagram of Ishikawa. In conclusion of the dissertation assumptions were evaluated. The overall summary of exercising Lean Production in companies - Linde Pohony s.r.o. Český Krumlov, ČSAT a.s. Praha a Rhode & Schwarz - Vimperk, were mentioned as well. Outcomes of the dissertation can be used for companies, which had been analyzing or for other companies with similar specializations. The dissertation provides the analysis of utilization selected Japanese principles of Lean Production in Czech companies.