Call your doctor immediately if you have: 1  Blood in your diarrhea or black, tarry stools. 2  A fever that is high (above 101 F) or that lasts more than 24 hours. 3  Diarrhea lasting longer than 2 days.  Nausea or throwing up that prevents you from drinking liquids to replace lost 1  fluids. Severe pain in your abdomen or rectum.
The discipline of engineering is extremely broad, and encompasses a range of more specialized fields of engineering, each with a more specific emphasis on particular areas of applied science, technology and types of application.
An engineer is a professional practitioner of engineering, concerned with applying scientific knowledge, mathematics, and ingenuity to develop solutions for technical, societal and commercial problems.n engineer receiving his Order of the Engineer ring in a ceremony at Wayne State University. Some graduates of engineering programs in North America may be recognized by the Iron Ring or Engineer's Ring, a ring made of iron or stainless steel that is worn on the little finger of the dominant hand.