en Cuevana 3. Made to support WWII war workers, this 1943 War Department Training film was part of a series that covers the care and use of essential tools such as pliers and screwdrivers. It covers common mistakes that people make, how to correct them, and how to care for tools to ensure they last long. The film’s general theme is that while pliers and screwdrivers are handy tools that can be used in a lot of situations, they should still be used for their intended purposes.