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    What are the complaints?

    Electromagnetic hypersensitivity, EHS (sometimes called electrical hypersensitivity) is a complex phenomenon, which raises questions in doctors and scientists alike. Synonyms are...
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    Research on electromagnetic hypersensitivity

    So far, almost 40 good-quality provocation studies have been performed with people reporting electromagnetic sensitivity. In order to be able to rule out the possibility that the...
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    How can electrosensitive persons be helped?

    Even if no causal connection to electromagnetic fields is found, the symptoms themselves are very real and we need to pay attention to that.To begin with, the presence of...
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    Explanation of technical terms

    When talking about electromagnetic fields, it is unavoidable to use technical and physics terms. To make it easier for the reader, a few general terms are explained here.Current...
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    Votre guide dans le paysage électromagnétique

    Chaque jour, nous sommes confrontés aux champs électromagnétiques. Il existe des rayonnements électromagnétiques naturels, comme la lumière du soleil et la chaleur. En outre, nous...
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    Ultrasound and high frequency sound

    Is ultrasound audible?Sounds with a frequency of 20 kHz and higher are referred to as ultrasound (or ultrasonic sound). High frequency sound is sound of which the frequency lies...
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    Ultrasonic consumer products

    In our daily living environment we come into contact with “non-audible” ultrasound and sound of high frequencies when using devices such as “Mosquito” products, products for...
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    The Belgian framework for environment messages concerning construction products and environmental product declarations (EPD)

    Belgium is preparing a legislation which will establish rules for environment messages concerning construction products. This legislation will apply to all construction products...
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    Product standards for internal combustion engines in off-road machines

    The Royal Decree of December 5th, 2004, which transforms the European Directive 97/68/EC, establishes the maximum exhaust emissions for carbon monoxide (CO), carbohydrates (CH),...
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    Sound and sound pollution

    Sound is the succession of pressure changes which are propagated in a compressible medium, such as air, water or solid materials. One also refers to this as “acoustic waves”...