"sf" > wrote in message
...
> On Thu, 7 Aug 2014 09:55:43 +0100, "Ophelia"
> > wrote:
>
>> My gas hob has 5 burners, one of which is a double burner. That works
>> very
>> fast.
>
> Double burner?

Yes, it has one ring inside another. Meant to be used with a wok.

Here is a pic of a stand alone one:

http://tinyurl.com/l8nqns9

Mine is incorporated in the hob similar to this:

http://www.ikea.com/gb/en/catalog/products/70278056/


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