United States Air Force (USAF) Aerobic physical fitness programs and its benefits in the United States. Scenes of people doing water skiing, surfing, swimming, mountaineering and rock climbing. John F Kennedy's statement: 'Physical fitness is the most important key of helping body it is the basis of dynamic, creative and intellectual activities'. Personnel climb up and sit atop mountains. General John Dale Ryan, Chief of Staff of U.S. Air Force speaks about that USAF consists people and equipment to evaluate the performance of personnel and conducts aerobic physical fitness programs. He closes with a request that all air force personnel should participate in the program for world wide mission requirements.
U.S. Supreme Court Justices of the 1953 session. Group showing Felix Frankfurter, Hugo Black, Chief Justice Earl Warren, Stanley F. Reed, William O. Douglas, Tom C. Clark, Robert H. Jackson, Harold H. Burton and Sherman Minton, posing for the camera. Views of them as they talk.
University of California, Los Angeles (UCLA ) champ Chuan-Kwang Yang sets mark in 10 events of decathlon at Walnut, California. Chuan-Kwang Yang smiles. He exercises. The decathlon events include the 1500 meter run, the 100 and 400 meter dashes, high hurdles, pole vault, javelin, discus, high jump, shotput and broad jump. Yang wins five events and adds other points with fine performances in the other five. He is greeted and receives trophy.
Clinical description of asbestos related diseases. Animated diagram depicts that worker working without protective gear at asbestos work site, breathe in asbestos with oxygen. It shows functions of alveoli. Asbestos particles thicken the lung wall and affects alveoli, which reduces worker's breathing capacity. The worker suffers from asbestosis. Worker smokes cigarette then smoke of cigarette enters into body and reacts with asbestos, which is very harmful and causes lung cancer. If worker quits smoking then chances of getting lung cancer will be reduced by 50 %. Asbestos affects pleurae and causes mesothelioma.
Technology and work procedure at asbestos work site in the United States. Industrial hygienist explains the installation of boiler. He points out the boiler pipe. Technicians assemble parts of machine. A technician works at high pressure chamber. A worker places tiles. A man hammers tiles on wall. Technician breaks the asbestos into small particles.
Workers engaged at asbestos work sites in United States. Industrial hygienist explains about workers who breathe in asbestos indirectly. Workers include pipe fitters, welders, mechanic, ship builders and others. Industrial hygienist states that industrial hygienists who work at asbestos work site, should be aware of exposure of asbestos and use protective gear while working. He shows two variety of asbestos including amosite and chrysotile, which is used by ship builders. He shows health standards and measures for protection from asbestosis. He explains air sampling device and its functions. A chemist works with microscope and other equipment to measure sample in chemical laboratory. Scientific studies conclude protection is required with increasing concentration of fibers during working hours.
CRITICALPAST.COM: About Us | Contact Us | FAQs - How to Order | License Agreement | My Account | My Lightboxes | Shopping Cart | Advanced Search | Featured Collections | Website Terms & Conditions | Privacy Policy ©2026 CriticalPast LLC.
License Agreement |
Terms & Conditions |
Privacy Policy
©2026 CriticalPast LLC.