Commercial Dishwashing Machine

dishwashing machine
A dishwasher is a mechanical device for cleaning dishes and eating utensils. Dishwashers can be found in restaurants and private homes.
dishwasher: a machine for washing dishes
Equipment designed to automatically wash, rinse, and sanitize utensils, pots, pans, and some equipment.

commercial
Making or intended to make a profit
connected with or engaged in or sponsored by or used in commerce or commercial enterprises; "commercial trucker"; "commercial TV"; "commercial diamonds"
The typographic character @, called the at sign or at symbol, is an abbreviation of the word at or the phrase at the rate of in accounting and commercial invoices (e.g. "7 widgets @ $2 = $14"). Its most common modern use is in e-mail addresses, where it stands for "located at".
Having profit, rather than artistic or other value, as a primary aim
a commercially sponsored ad on radio or television
Concerned with or engaged in commerce