Think twice

This 1958 film demonstrates the hazards associated with the boilermaking trade. It outlines the dangers of heat, infrared and ultraviolet rays and fumes, which are encountered with oxyacetylene and electric arc welding. It shows how accidents happen with each of these dangers and the types of injury suffered, including burns, eye injury and blindness, and serious illness caused by inhalation of fumes. It also shows how accidental explosions can occur when using welding equipment, and the importance of safe practices when welding, particularly in confined spaces.