Appeal to emotion or argumentum ad passiones is a logical fallacy characterized by the manipulation of the recipient's emotions in order to win an argument, especially in the absence of factual evidence.ppeal to emotion or argumentum ad passiones is a logical fallacy characterized by the manipulation of the recipient's emotions in order to win an argument, especially in the absence of factual evidence.
Lean manufacturing or lean production, often simply  lean , is a systematic method for the elimination of waste ( Muda ) within a manufacturing system.
Lean (also referred to as Lean Methods or Lean Speed) is a set of tools developed to reduce the waste associated with the flow of materials and information in a process from beginning to end.