If we consider that the growing technological development has a number of benefits to society, we can also observe that there is an increased complexity in the implementation of modern life activities. The increased complexity is unavoidable and is even desirable in certain aspects. What should be avoided is the complication in the execution of any of such activities. The article discusses the concept of project implementation focused on the human being who will operate or use the product of

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... project, and the control process automation of petrochemical plants as examples of the use of this technique. This concept called Human Centered Design (HCD) is important to the decision making that any worker is submitted in his workplace, especially the fact that the procedures cannot anticipate every situation that the worker is submitted (prescribed work) and what is expected from the worker (self-use). The examples chosen in this paper are specific to the automation market for industrial process control and were collected by a survey performed with the automation system manufacturers. In these examples, we can observe the importance of the projects put focus on the human and not just in the technology.