noise abatement

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Question	Reads	Rating	Answered	Open	Answer
I am a French librarian, I visited your library (Sello library in Espoo) in October and I saw in the children library "woolhats" against noise. Could you say…	884		23.4.2015		The "woolhats" are products of the Okko design company. They are designed by Laura Tuovila. www.okko.se