Job Safety is a component of TWI that provides a systematic approach to identifying and eliminating the conditions that lead to safety incidents. Not one of the original TWI programs developed during WWII, it was developed by the Japanese later and brought back to the U.S. by Pat Graupp of the TWI Institute (formerly of Sanyo). The belief of JS is that safety incidents don’t just happen, they are caused by the things – parts and materials, facilities, tools and machines, work methods or layout, and the environment – or by people due to their mental or physical state, work attitudes and methods, use of personal protective gear, and level of training or by the timing and environment of the work itself. JS teaches the leader to analyze these factors to spot and eliminate the causes of safety incidents before they happen. Like the other TWI programs, it is taught five two-hour sessions using a similar 4-step method captured on a pocket card..