More information from O*NET OnLine:

Dishwashers - 35-9021.00

O*NET-SOC Description

Clean dishes, kitchen, food preparation equipment, or utensils.

35-0000	Food Preparation and Serving Related Occupations
35-9000	Other Food Preparation and Serving Related Workers
35-9020	Dishwashers
35-9021.00	Dishwashers

35-2015.00	Cooks, Short Order
35-2021.00	Food Preparation Workers Bright Outlook
35-3023.00	Fast Food and Counter Workers
35-3041.00	Food Servers, Nonrestaurant
35-9011.00	Dining Room and Cafeteria Attendants and Bartender Helpers
37-2011.00	Janitors and Cleaners, Except Maids and Housekeeping Cleaners
37-2012.00	Maids and Housekeeping Cleaners
51-6011.00	Laundry and Dry-Cleaning Workers
51-9192.00	Cleaning, Washing, and Metal Pickling Equipment Operators and Tenders
53-7061.00	Cleaners of Vehicles and Equipment

Clean garbage cans with water or steam.
Clean or prepare various foods for cooking or serving.
Load or unload trucks that deliver or pick up food or supplies.
Maintain kitchen work areas, equipment, or utensils in clean and orderly condition.
Place clean dishes, utensils, or cooking equipment in storage areas.
Prepare and package individual place settings.
Receive and store supplies.
Set up banquet tables.
Sort and remove trash, placing it in designated pickup areas.
Stock supplies, such as food or utensils, in serving stations, cupboards, refrigerators, or salad bars.
Sweep or scrub floors.
Transfer supplies or equipment between storage and work areas, by hand or using hand trucks.
Wash dishes, glassware, flatware, pots, or pans, using dishwashers or by hand.