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HN2 & HN2SYS Series Operation & Care Manual • 13 CAREANDCLEANINGCAREANDCLEANING CLEANINGANDPREVENTIVEMAINTENANCE PROTECTING STAINLESS STEEL SURFACES It is important to guard against corrosion in the care of stainless steel surfaces. Harsh, corrosive, or inappropriate chemicals can completely destroy the protective surface layer of stainless steel. Abrasive pads, steel wool, or metal implements will abrade surfaces causing damage to this protective coating and will eventually result in areas of c