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How Do I Make a Homemade Hearing De...

Create a bowl. Uncap the nozzle of the plastic bottle. Measure a piece of tin foil to twice the size of the nozzle. Fold the foil around the edges and seal it over the nozzle. Crea...
http://www.ehow.co.uk/how_5914758_make-homemade-sm...
Listening Use earphones that properly fit your ears. The most commonly used listening device is a portable media player. Most include a brand of headphones or earphones. To improve...
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Position the listener's chair in the sound-treated room at the calibrated position facing the speaker. Tell the listener that he will be tested without the hearing protection devic...
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Disassemble a multimedia computer microphone using a utility knife. These microphones often come with a flexible arm and free-standing plastic base. Cut carefully around the end of...
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Adjust your hearing aid so it is at a comfortable audio level. You want it to be at the same amplitude as you normally use for daily conversations. Make or receive a phone call wit...
http://www.ehow.co.uk/how_5747866_use-8830-hearing...
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How Do I Make a Homemade Hearing De...

How to Make a Homemade Spy Listening Device | eHow UK
How to Make a Homemade Spy Listening Device. You can find out what people have said in a room by creating a homemade spy listening device. Leaving a ...
www.ehow.co.uk
How to Make a Homemade Hearing Device | eHow.co.uk
How to Make a Homemade Hearing Device. Just like many superheroes, people thrive to enhance their hearing sense. This want is often due to the desire to ...
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How to Make a Cheap Homemade Listening Device | eHow UK
How to Make a Cheap Homemade Listening Device. You can build an inexpensive homemade listening device using a cell phone. This device will allow you to ...
www.ehow.co.uk
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