Play ValueSound behaves in similar ways to water which is why it can be directed through tubes as was done in old ship's telephones. Between two and four speaking/listening stations can be installed and these are connected by underground pipes and a special sound distributor. It is possible to communicate over unusually long distances without the use of any electronic amplifiers. However, visual contact makes sense.
- kindergarten children
- public play areas without supervision such as playgrounds, parks or similar
- supervised play areas, such as kindergartens, schools, after-school programmes or similar
Conference - Order No: 10.55000
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