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: A left human ear. ... The word protection has several uses: Protection is a euphemism for contraception. ... The term plastics covers a range of synthetic or semi-synthetic polymerization products. ... Hot metal work from a blacksmith In chemistry, a metal (Greek: Metallon) is an element that readily forms ions (cations) and has metallic bonds, and metals are sometimes described as a lattice of positive ions (cations) in a cloud of electrons. ... For other uses of the word head, see head (disambiguation). ...

• 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.

• Acoustic earmuffs: are 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.

Earmuffs or muffs is a name sometimes, lightly given to headphones. State nickname: The Pine Tree State Other U.S. States Capital Augusta Largest city Portland Governor John Baldacci Official languages None Area 86,542 km² (39th)  - Land 80,005 km²  - Water 11,724 km² (13. ... Chester Greenwood (1858-1937) of Farmington, Maine, USA, is the inventor of the ear muff. ... Earbuds Headphones (also known as earphones, stereophones, headsets, or the slang term cans) are a pair of transducers that receive an electrical signal from a media player or receiver and use speakers placed in close proximity to the ears (hence the name earphone) to convert the signal into audible sound... Yellow hard hat A hard hat is a type of helmet predominately used in workplace environments such as construction sites to protect the head from injury such as from falling objects. ... Earbuds Headphones (also known as earphones, stereophones, headsets, or the slang term cans) are a pair of transducers that receive an electrical signal from a media player or receiver and use speakers placed in close proximity to the ears (hence the name earphone) to convert the signal into audible sound...

See also

• Headphones
• Earplugs

Earbuds Headphones (also known as earphones, stereophones, headsets, or the slang term cans) are a pair of transducers that receive an electrical signal from a media player or receiver and use speakers placed in close proximity to the ears (hence the name earphone) to convert the signal into audible sound... An earplug is a piece of protective clothing that is meant to be inserted in the ear canal to protect the wearers hearing from loud noises or the intrusion of water. ...

External links

• Earmuff History - Invention of Earmuffs