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 manufacturing relies on a close relationship with vendors who can produce and deliver items as needed. Lean manufacturing has been increasingly used in the auto industry. Production lines, or assembly lines, are efficient and quick ways to produce finished products while keeping overall costs lower.