PowerPoint presentation created as a guide to work hygiene in joinery workshops. Regarding the risks, it emphasizes exposure to chemicals, such as binders, thinners, solvents, hardeners. These may contain epoxides, formaldehyde, acrylate, diisocyanates and other dangerous substances. The presentation also addresses the negative health effects of wood dust, especially its carcinogenic, toxic and irritant effects. It recommends appropriate protective equipment and safe work practices.