Bill,
I'm not sure about the handle trim being chrome or stainless, but I'm pretty sure the grates with the flat surface are designed to diffuse the heat for simmering, and as the saying goes, are supposed to be positioned over the back burners.
I'm not sure about the handle trim being chrome or stainless, but I'm pretty sure the grates with the flat surface are designed to diffuse the heat for simmering, and as the saying goes, are supposed to be positioned over the back burners.