I am trying to find more information on the history of Lockout Tagout.

I am looking for information about how and when it became a "habit" to use padlocks to keep people safe from the unexpected release of hazardous energies in industrial areas.

I have read somewhere that Lockout Tagout origins from the American war industry in World War 2. I have tried to find some pictures or writings on this, but I have not found anything.