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.
Adherents range from Pratt & Whitney, a division of $31 billion United Technologies Corp., a maker of building systems and aerospace products, to Lantech Inc., a $70 million Louisville, Kentucky-based manufacturer of packaging equipment. Lean manufacturing principles differ from mass production in several key ways. For starters, the latter typically concentrates on efficiency and machine utilization, which can lead to long run times and bloated inventory levels.