What ruins the surfaces of wood floors and any other flooring material is the grit that people track in under their feet. No grit, no damage.
Blot up spills immediately
Dust mop floors....using untreated mop
Use doors mats and walk-off mats whenever possible. This will keep dirt and grit off the floor.
DO NOT use powder cleansers, soft cream cleaners (Soft Scrub)
DO NOT use mold removers (tile X, X14, etc.) or disinfectants (Lysol)
DO NOT use furniture polish (Pledge, Jubilee, Endust, Johnson One-Step)
DO NOT use vinegar & water.