A professional who controls equipment to weigh and mix vegetable oils for products, such as salad oils, shortening, and margarine, according to formula. Respnsibilities include:

• Opens valves to pump oils from storage tanks to scale tank.
• Weighs oils and pumps specified quantity of each oil into blending tank.
• Draws off sample of mixed oil and examines it for texture and color.
• Sends sample to laboratory for chemical analysis.
• Turns valves to make adjustments to blending process according to results of tests.
• Pumps mixed oil to storage tanks.