A film titled 'Making of rubber tire' shows the manufacturing process of a rubber tire in a factory in United States. Raw rubber in form of biscuits and mats from Ceylon being washed and dried. Zinc, sulphur and lamp black are added for color and strength. Rubber is placed on metal cylinders and vulcanized at 300 degrees Fahrenheit and processed further to obtain rubber tire.
From a United States Army training film titled 'Snappy Shots of Chemical Warfare' showing scenes of Chemical Warfare Service training. A portable toxic cylinder is placed on the ground. Smoke is let out from portable cylinders. Smoke surrounds the area.
A United States Army chemical warfare service training exercise underway. A United States soldier fires a McBride gas gun. Smoke candles burn in a field with smoke surrounding the area.
A United States Army training film about chemical warfare service training. United States soldiers throw gas hand grenades (containing non-poisonous smoke) during a training exercise. Smoke rises in the grenade target area.
A United States Army training film about the chemical warfare service. White phosphorous hand grenades and rifle grenades used by soldiers during a training operation. United States soldiers throw white phosphorous hand grenades. Smoke rises in the surrounding area with explosions.
From a United States Army training film describing techniques of the chemical warfare service. United States troops advance behind successive smokescreens made with phosphorous hand grenades. An explosion with smoke rising in the surrounding area.