Project Gutenberg 2012-06-27 Public domain in the USA. 129 Öhrvall, Hjalmar 1851 1929 Ohrvall, Hjalmar Öhrvall, Hjalmar August Renlighet och frisk luft Studentföreningen Verdandis Småskrifter, 84 Produced by Tor Martin Kristiansen, Therese Wright and the Online Distributed Proofreading Team at http://www.pgdp.net "Renlighet och frisk luft" by Hjalmar Öhrvall is a scientific publication written during the early 20th century. This book discusses the importance of cleanliness and fresh air for maintaining health, presenting a thorough examination of the factors that affect air quality and the role of hygiene in living spaces. The text is significant in its educational approach to public health, linking environmental conditions with physical well-being. The book systematically addresses various aspects of air quality, beginning with the benefits of fresh air and the detrimental effects of contaminated air. Öhrvall explores the causes of air pollution, including decomposition gases and toxins, and discusses how proper ventilation and cleanliness can mitigate these issues. He emphasizes the significance of human habits, such as regular bathing and maintaining clean living environments, in improving air quality. Through engaging and informative discourse, the author advocates for better hygiene practices and environmental awareness as essential components for a healthier community. (This is an automatically generated summary.) file:///public/vhost/g/gutenberg/html/files/40094/40094-h/images/cover.jpg Reading ease score: 58.4 (10th to 12th grade). Somewhat difficult to read. sv Hygiene Health RA Text Category: Health & Medicine Category: Environmental Issues 71046 2025-09-16T09:38:13.528524 text/html 66041 2012-06-27T07:37:04 text/html 72261 2025-09-16T09:38:15.621521 application/epub+zip 70602 2025-09-16T09:38:14.073481 application/epub+zip 62849 2025-09-16T09:38:13.823491 application/epub+zip 109618 2025-09-16T09:38:17.089518 application/x-mobipocket-ebook 94193 2025-09-16T09:38:15.366491 application/x-mobipocket-ebook 86902 2022-09-18T11:12:08.196971 application/x-mobipocket-ebook 59032 2025-09-16T09:38:13.374508 text/plain; charset=us-ascii 39186 2024-10-23T09:21:17 text/plain; charset=us-ascii 57128 2012-06-27T07:37:04 text/plain; charset=us-ascii 12505 2012-06-27T12:17:44 application/octet-stream 11908 2012-06-27T12:15:10 application/octet-stream 47947 2012-06-27T12:15:26 application/octet-stream 65945 2012-06-27T12:15:28 application/octet-stream 56232 2012-06-27T12:15:32 application/octet-stream 59759 2012-06-27T12:16:00 application/octet-stream 62316 2012-06-27T12:16:08 application/octet-stream 55460 2012-06-27T12:16:08 application/octet-stream 63985 2012-06-27T12:16:24 application/octet-stream 63827 2012-06-27T12:16:46 application/octet-stream 58750 2012-06-27T12:16:46 application/octet-stream 66375 2012-06-27T12:17:00 application/octet-stream 58742 2012-06-27T12:17:10 application/octet-stream 68293 2012-06-27T12:17:28 application/octet-stream 67549 2012-06-27T12:17:38 application/octet-stream 56810 2012-06-27T12:17:50 application/octet-stream 62850 2012-06-27T12:18:10 application/octet-stream 62536 2012-06-27T12:18:16 application/octet-stream 27554 2012-06-27T12:18:10 application/octet-stream 1023032 2012-06-27T07:40:46 application/octet-stream application/zip 35629 2025-09-16T09:38:17.229458 application/rdf+xml 9607 2025-09-16T09:38:13.886480 image/jpeg 2075 2025-09-16T09:38:13.855473 image/jpeg 22518 2012-06-27T07:40:22 application/octet-stream application/zip 58773 2012-06-27T07:40:22 application/octet-stream application/zip 62371 2025-09-16T09:38:13.540519 application/octet-stream application/zip Archives containing the RDF files for *all* our books can be downloaded at https://book.klll.cc/wiki/Gutenberg:Feeds#The_Complete_Project_Gutenberg_Catalog sv.wikipedia