Human multitasking is the performance by an individual of appearing to handle more than one task at the same time.
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Amelie's Cafe is a multitasker's dream come true! Stay on your toes as you take orders, tell your chefs what to cook, deliver food and keep your joint sparkling clean. While you're taking orders and delivering food, you must also pay attention to the kinds of customers that are visiting your cafe, as some will get cranky quicker than others if they have to wait. You can breathe easy between levels, though, as you decorate your restaurant and upgrade your cooks. Hotter than a side of chili fries and sweeter than a strawberry shake, Amelie's Cafe will satisfy anyone’s craving for fast-paced fun!

Universal worker

• Customer service

• Work in the kitchen

• Acceptance of orders

• Preparation of orders

The most basic position to expect is called "crew member" which is a general position with a wide array of duties. You can work the cash register, take orders at the drive-thru, mop floors, keep the tables clean, and many other duties that have to do with keeping the operations running smoothly.
http://www.mcdonaldsjobapplicationonline.com/2011/05/mcdonal...
делаешь, что скажут :)

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Note added at 19 mins (2011-05-29 01:25:53 GMT)
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"team member"

Burger King Team Member Job Description

As a Team Member, your main responsibility is to interact with customers which include, taking and receiving orders, processing payments, and responding appropriately to whatever the customer needs. Team Members have to prepare the products based on the company’s service philosophy. They must also follow the standards when it comes to maintaining the safety and cleanliness of the work environment.
http://www.bestjobdescriptions.com/company-profiles/burger-k...



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Note added at 19 hrs (2011-05-29 20:37:54 GMT)
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Fast-Food Crew Member Job Description
PREPARES FAST FOOD ORDERS
by
inventorying, ordering, preparing, and stocking items at beginning of, and throughout, shift; selecting, assembling, measuring, heating, and ***cooking food items***; keeping order; removing spills and food droppings...
http://www.jrmi.com/food_services/fast-food_crew_member/view...

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Note added at 1 day9 hrs (2011-05-30 10:26:54 GMT)
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McDonalds, Crew Member Job
I don't know why they never had normal titles like cook or cashier. I guess it because they never put people in the same place everyday. Depending on the day, I had to handle cash, cook, clean, stock, or deal with customers. Cooking could be either on the grill or in the deep fryer area.
http://www.careerleak.com/mcdonalds/crew-member-1817/