Earmuffs are objects designed to cover a person's
ears for
protection. They consist of a
thermoplastic or
metal head-band, that fits over the top of the
head, and a pad at each end, to cover the external ears. They come in two basic kinds:Thermal earmuffs: the original type, worn in winter to keep a person's ears warm. They were invented by 15 year old
Maine resident
Chester Greenwood in 1873. He came up with the idea while his grandmother made the muffs. Years later his descendants founded
http://www.earmuffs.com which is still in business today. Acoustic earmuffs, also known as ear defenders: cups lined with sound-deadening material, like thermal earmuffs and
headphones in appearance, which are worn as hearing protection. These may be carried on a head-band or clipped onto the sides of a
hard hat, for use on construction sites. Some manufacturers combine
headphones with ear defenders, allowing the wearer to listen to a music, communication or other audio source and also enjoy protection or isolation from ambient noise. Acoustic earmuffs were created in Italy in 1982.
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