While not practical for operations which very low processing times and correspondingly high change-over times (both values defined by takt time), it is nevertheless a Lean Manufacturing goal to achieve single piece flow in every operation possible. Achieving one-piece flow requires the elimination of waste.
Throughout human history, most people live and die in the social class into which they were born. If they were born poor, chances are they will die poor. One way societies can help people rise in social class is to initiate new enterprises, like improved educational opportunities or technological advancements.
Many people mask their depression with humor. They learn early in life to hide their deepest, darkest feelings from others. Depressed people are not popular; they are encouraged to âLighten up.â And âlighten upâ they do. They smile. They make others laugh. They make other people feel good.