Introduction: Advances in human health and welfare ultimately depend on research projects. Healthcare research can provide important information about disease trends and risk factors, outcomes of treatment or public health interventions, functional abilities, patterns of care, and health care costs and use. Teaching healthcare research is done to make change and meet human needs in the communit...

Wind farms are expensive and technically complex equipment. Maintaining it in working condition is an important task not only from economic point of view, but also a practical view. Even minor breakdowns damages should be quickly eliminated. constantly being upgraded improved. They produced under specific operating conditions. However, this cannot completely exclude emergency situations. Theref...