Celery seed oil is derived from the seed, and is found in foods, perfumes, and soaps. Celery Seed Essential Oil Uses and Benefits. This lovely essential oil has a history of medical uses for joint pain, indigestion, urinary problems, and to regulate menstruation.
What Mechanical Engineers Do[About this section] [To Top] Mechanical engineering is one of the broadest engineering disciplines. Mechanical engineers research, design, develop, build, and test mechanical and thermal sensors and devices, including tools, engines, and machines.
Mechanical Engineering Technicians. A mechanical engineering technician's primary focus is on assisting a mechanical engineer in designing, developing and testing machinery or products. She may estimate costs of projects, prepare layouts and drawings of parts, review blueprints or assemble parts and equipment.