For the European school of industrial engineering, a strong technical background of mechanical engineering is typical, along with production engineering emphasizing time measurement and cost and capacity calculation. Many European companies require trade unions to implement IE methods, which frequently warrants more knowledge in policy and economics. The trend in industrial engineering is toward interdisciplinary courses where cross-specialty thinking is practiced. Information technology is being increasingly integrated into industrial engineering courses with the basic subjects that deal with hard facts. It's no surprise that more classes emphasize teamwork, people motivation, communication skills, emotional intelligence, and ethics.