Baseball game in the United States. Boys play baseball game in field. Spectators standing at edge of field.
Demonstration of the capabilities of the small snow vehicle, Weasel in the United States during World War II. Military personnel skiing on snow covered land and use artillery for military operations. Dogs pull sled. Book is read. Sign on the book 'War Department Specification, Vehicle T-15'. Mules carry troops and equipment. Aerosled, jeep, half track and snow truck being driven on snow covered land. Swamp buggy is driven in water. Model of small snow vehicle called the Weasel. Its height, width and tracks are shown. It shows its parts and describes its capabilities. Various parts include engine, gas tank, Steering, breaks, clutch, accelerator and instrument box.
Demonstration of the capabilities of the small snow vehicle, Weasel in the United States. The vehicle travels over snow and rough terrain. It carries men and equipment. Lined up Weasels, military headquarters in the background. It climbs steep hills and maneuvers. It is driven over obstacles, railway tracks, rocks and gravels and water stream. It wades through bushed and small trees. It floats in water. It passes through jungle and its small size makes it easy to conceal. Various parts of weasel describe its capabilities. Parts include light weight plate, rubber covering on plate and others. It can load and tow men and equipment.
Aerobic physical fitness exercises and its benefits in the United States. Personnel run in eight minute mile. They exercise calisthenic. A personnel exercises and a doctor administers tests for air force laboratory. A man runs a mile in less than 10 minutes shows good physical condition. A man runs a mile in more than 12 minutes shows poor physical condition. Clinical studies of physical fitness. People of age between 30 to 34 years, should run 1.5 mile in 12.5 minutes. People of age between 35 to 39 years should run 1.5 mile in 13 minutes and age between 40 to 44 years should run 1.5 mile in 13.5 minutes. The time for age between 45 to 49 years is 14 minutes and for the age over 50 years is 14.5 minutes.
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.
Use of proper protective garments at asbestos work sites in the United States. Industrial hygienist explains about protection garments, which is worn before going to asbestos work site. Workers prepare for the work site. They wear protective garments in clean change room. Worker wears light weight rubber boots. Cotton gloves and rubber gloves over them are worn for protecting hands. For protecting head, hood must fit properly. They seal their wrist, ankle and neck to tighten the gears. Protective suit including body cover and shoes cover are worn. Protective clothing arranged in rake. Industrial hygienist shows respirator gears and helmets. Respirator gear are used by workers. Safety glasses are used for protecting eyes.
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