HEARING AIDS

HEARING AIDSBasically all hearing AIDS have the same structure. The basic element of a hearing aid is a sound amplifier. It is connected to the microphone, perceiving external sounds, and the phone (speaker) reproducing amplified sound. In addition, there are controls (volume control, switch, switch programs) and a battery. As the complexity of hearing AIDS and reduce its size the number of controllers is reduced, and currently remain, in essence, only the power switch, which is combined with the battery cover.

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MICROCAR FDD

SCOOTER FDDI was born in 1944, and almost from the first year of life I was haunted by a sound — an ominous growl bearings rolling on asphalt. The sound that accompanied the movement on a small wooden carts returned from the war disabled legless…

And at that time was a lot — according to current estimates, over three million. The majority of former fighters of order-bearers disappeared in the vast expanses of our country, but many settled in cities, including the capital of our country. And their only vehicle was at the time knocked together from planks truck with ball bearings, equipped with a pair of rough, reminiscent of the iron wood, which the disabled, starting from the road, causing her to move…

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