1. A closed track race car pit crew can change tires fill the gas tank adjust the suspension dominor work and tune the engine in 17 seconds; however it can take up to 3 days for the same work to be done at a local garage or auto dealer.2. Large passenger jet preload luggage into aluminum containers that are put into the plane whereas smaller planes get loaded one bag at a time. (Hint). Think about when an airline is making money and when its planes are on the ground or in the air.3. To avoid the obsolete inventory inherent with manufacturing fashion goods like womens sweaters a sweater manufacturing did not add color to the sweaters produced until real orders were in hand as compared to making them based on a forecast.4. A large insurance company which normally takes 3 weeks to handle home casualty claims sends an RV down to a hurricane site with a small group of people and is able to process claims in 30 minutes. 1000 1200 words references and cities