Какие существуют запреты, касающиеся защиты каменного основания мраморной спортивной площадки?
Ten Taboos for Protecting Marble (Granite) Motion Bases I. Chemical Taboos (Corrosion, Whitening, Irreversible Micro-pore Contamination)Strictly forbid strong acids and strong alkalis from contacting the tabletopHydrochloric acid, oxalic acid, rust removers, bleach, caustic soda, heavy-duty alkaline degreasers, etching liquids, electroplating chemicals, welding slag cleaners.These will corrode granite crystals, causing large-scale white spots, loss of gloss,…