Assertion: mechanical engineer | /r/HasProperty | needed
Facets:
Source sentences:
text: However, mechanical engineers will still use industrial production equipment, material-handling systems, and electric generators to produce a fully refined product, and using calculus and trigonometry is needed when confronted with the more complex and analytical portions of the occupation.
text: An airplane is a big mechanical system with many parts, so a mechanical engineer and a systems engineer are also needed.