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WALLS, CEILINGS, ATTACHED EQUIPMENT CONSTRUCTED PER CODE: GOOD REPAIR, SURFACES CLEAN AND DUST-LESS CLEANING METHODS - Comments: MUST SEAL ALL OPENINGS AROUND PIPE-FITTINGS IN CEILINGS. CLEAN AND/OR REPLACE ALL LIGHT SHIELDS THAT ARE NO LONGER EASILY CLEANABLE. SEAL ALL CRACKS IN CEILINGS THROUGHOUT.