Panasonic Prestige NN-SD688S, 1.2-Cubic Foot 1300 Watt Sensor Microwave Oven, Stainless Steel

Stains tends to leave on the stainless steel microwave oven and its very hard to clean off the stain (brownish stain) please suggest the best way to remove it.

A: A very very very fine steel wool, followed with a stainless steel polisher, buff it back to the original shine. This is what a dumb orangutan would do, so you may wish to.........

start easier:

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LG OTR 2.0 CF 1100-Watt Microwave, Stainless Steel « Alga Culture

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Source: LG OTR 2.0 CF 1100-Watt Microwave, Stainless Steel « Alga Culture