Commercial Cooktop

commercial
Concerned with or engaged in commerce
connected with or engaged in or sponsored by or used in commerce or commercial enterprises; "commercial trucker"; "commercial TV"; "commercial diamonds"
Having profit, rather than artistic or other value, as a primary aim
Making or intended to make a profit
a commercially sponsored ad on radio or television
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".

cooktop
A kitchen stove, cooking stove, cookstove or cooker is a kitchen appliance designed for the purpose of cooking food. Kitchen stoves rely on the application of direct heat for the cooking process and may also contain an oven, used for baking.
A surface mounted stove usually with four to six burners.
An assembly of stove burners that fits into countertop.
A cooking unit, usually with hot plates or burners, built into or fixed on the top of a cabinet or other surface