This lecture covers the practical implementation of risk management related to nanoparticles, hazardous substances, cryogenic liquids, magnetic fields, and the importance of effective safety measures. It emphasizes the need for precautionary measures and hazard classification in research environments. The instructor discusses the impact of engineered nanoparticles on health and the environment, as well as the decision tree for hazard classification. The lecture concludes with guidelines on performing effective risk assessments, including resource availability, scope definition, hazard identification, and communication of findings.