In the interior decoration, the average sound absorption rate of up to 0.5 or more, for office, schools, shopping malls and other places.
Uma isetshenziswa ekuhlobiseni ingaphakathi, isilinganiso sokufaka umsindo singafinyelela ku-0,5 noma ngaphezulu, silungele amahhovisi, izikole, izitolo ezinkulu kanye nezinye izindawo.