Engineers of Company "A" prepared plans and specifications for machinery to be used in a manufacturing process and Company "A" turned them over to Company "B" for production. The engineers of Company "B" in reviewing the plans and specifications came to the conclusion that they included certain miscalculations and technical deficiencies of a nature that the final product might be unsuitable for the purposes of the ultimate users, and that the equipment, if built according to the original plans and specifications, might endanger the lives of persons in proximity to it. The engineers of Company "B" called the matter to the attention of appropriate officials of their employer who, in turn, advised Company "A" of the concern expressed by the engineers of Company "B". Company "A" replied that its engineers felt that the design and specifications for the equipment were adequate and safe and that Company "B" should proceed to build the equipment as designed and specified. The officials of Company "B" instructed its engineers to proceed with the work.

Write down all the relevant principles of professional ethics related to the above scenario?