Coming from the world of theatre I use this basic mechanism to ensure safety and usability for stage and stage effects that translates easily into a technique for business processes.
For example, to ensure that a spotlight attached to a traverse does not fall down, you should use an additional safety: Brackets hold the spotlights and for the unpredictable case that a bracket fails, an arresting cable is attached additionally. The cable has to go over the rod or through the bar without any possibility to slide off sideways (end delimiters). This is pursuant to insurance law for theaters, but may be applied to processes in an office, too.
For example, you may have a filing with cards in your private library or a tray where customers´ letters are deposited for some handling in the future. Let´s say you need further information from the customer before you can proceed. As time goes by, more and more letters will pile up. (mehr …)