Q: In this task, we ask you to elaborate the sentence without changing its general meaning. You can do so by explaining further the input sentence, using more precise wording, adding qualifiers and auxiliary information etc.
Engineers design materials , structures , machines and systems while considering the limitations imposed by practicality , safety and cost .
A:
Engineers , as practitioners of engineering , are professionals who invent , design , analyze , build , and test machines , systems , structures and materials to fulfill objectives and requirements while considering the limitations imposed by practicality , regulation , safety , and cost .