<![CDATA[This study aims to produce learning videos that are feasible as learning media. The resulting video is a Spirometer Practice Tutorial Video in the Occupational Safety and Health (K3) subject for students of the Environmental Health Department of the Health Ministry of Health Yogyakarta. The method used in research is the method of research and development (Research and Development). This development research uses the Borg & Gall development procedure model which is simplified by the Puslitjaknov Team (2008: 11) with the following steps: 1) Analyzing the product to be developed, 2) Developing the initial product, 3) Expert validation and revision, 4) Testing small-scale field and revisions, 5). Large-scale field trials and final products. The research location was carried out at the Hyperkes Laboratory of Environmental Health Department. This research was conducted in July - September 2020. The results showed that the Spirometer Practice Tutorial video in the occupational safety and health course can be used as a learning medium or learning resource for students, especially for the K3 (Occupational Health Safety) practical course in the Environmental Health Department. the feasibility level is 86.84 5%. Keywords: Learning Media , Video Tutorial, K3 Practice Course]]>
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