The book will later discuss internal and external customers. External customers buy our goods or services. Most people in large companies, however, rarely see an external customer. Instead, they provide goods or services to other people in the company. These are internal customers.
Manufacturing is engineering's customer.
Know what position you play on the team, and accept your position. Not everyone can be the quarterback. Again, watch those performance measurements. The performance measurement system is management's magic lamp. American popular culture still focuses on individual heroes.