You've put a lot of care into choosing your furnishings. And with continued care at home, they should share your address for many years to come. Now for your owner's manual...
Metal may oxidize with exposure to moisture.
Dust with soft dry cloth.
Do not use liquid or aerosol products.
To avoid marking, do not place rubber ON SURFACE (FOOT PADS, ETC)
Protect from heat and liquids.
Finish may darken with time and exposure to the elements.