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4<br />
Noise protection for more<br />
quality of life<br />
Constant noise of 55 dB(A) and more (normal tone of voice level)<br />
is perceived as annoy<strong>in</strong>g. Noise levels of 65-75 dB(A) (vacuum<br />
cleaner) already causes stress and implies an <strong>in</strong>creased risk of<br />
cardiovascular disease.<br />
Time spent <strong>in</strong> a pleasantly subdued noise environment has a<br />
high recreational effect.<br />
Devices and equipment of everyday use should emit little noise<br />
and work unnoticedly.<br />
Fabric-l<strong>in</strong>ed <strong>Hanno</strong> ® -Tect panels for<br />
improved room acoustics (Deutscher<br />
Ärzte Verlag publishers).<br />
L<strong>in</strong><strong>in</strong>g a medical device with<br />
a comb<strong>in</strong>ation of different<br />
<strong>Hanno</strong> ® products.
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