The most common ethical issues an engineer faces are providing a quality product at a reasonable cost and ensuring public safety. Sometimes customers want more than they are willing to pay. In this case, the engineer must decide whether to shorten the design to save time and money or not to accept the proposed work. Ethical engineer modules or designs not only aim to ensure safety and low manufacturing cost, but also to reduce the manufacturing cost of the entire design. The duty of the professional engineer is to determine the correct manufacturing cost and determine whether the product will be safe to use. Often an engineer may find himself in situations where he cannot satisfy the customer or product owner. In order to maintain ethical behavior in such cases, an engineer may have to refuse to approve the project design. Another ethical issue would be understanding and conflict of interest. Engineers should not sign agreements to work for previous employers or not sign a contract while another engineer is still working on the same project. Engineers should not work on a product that...