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Glasswool juga dapat mengurangi penyebaran suara dari satu ruangan ke ruangan lain dengan cara menghambat transmisi suara melalui dinding, plafon, atau lantai.Welded bar grating is made up of load bars electrically fuse welded to cross bars. Tension locked bar grating, or swaged grating, is where by steel rods are forced by way of and locked