City Pedia Web Search

Search results

1. Results From The WOW.Com Content Network

2. Earmuffs - Wikipedia

   en.wikipedia.org/wiki/Earmuffs

   Woman wearing cold-weather thermal earmuffs. Earmuffs are clothing accessories or personal protective equipment designed to cover a person's ears for hearing protection or warmth. They consist of a thermoplastic or metal head-band that fits over the top or back of the head, and a cushion or cup at each end to cover the ears.

3. Acoustic foam - Wikipedia

   en.wikipedia.org/wiki/Acoustic_foam

   Acoustic foam is a lightweight material made from polyurethane (either polyether or polyester) or extruded melamine foam. [8] It is usually cut into tiles. One surface of these tiles often features pyramid, cone, wedge, or uneven cuboid shapes. Acoustic foam tiles are suited to placing on sonically reflective surfaces to act as sound absorbers ...

4. Hearing protection device - Wikipedia

   en.wikipedia.org/wiki/Hearing_protection_device

   A hearing protection device, also known as a HPD, is an ear protection device worn in or over the ears while exposed to hazardous noise and provide hearing protection to help prevent noise-induced hearing loss. HPDs reduce the level of the noise entering the ear. HPDs can also protect against other effects of noise exposure such as tinnitus and ...

5. Nasal cannula - Wikipedia

   en.wikipedia.org/wiki/Nasal_cannula

   MeSH. D012121. OPS-301 code. 8-71. [ edit on Wikidata] The nasal cannula (NC) is a device used to deliver supplemental oxygen or increased airflow to a patient or person in need of respiratory help. This device consists of a lightweight tube which on one end splits into two prongs which are placed in the nostrils curving toward the sinuses ...

6. Earmold - Wikipedia

   en.wikipedia.org/wiki/Earmold

   Earmold. Impression material being mixed together. This is the start of the mixing process, as the material needs to be one color. An earmold (also spelled; ear mold, ear mould or earmould) is a device worn inserted into the ear for sound conduction or hearing protection. Earmolds are anatomically shaped and can be produced in different sizes ...

7. Materials for use in vacuum - Wikipedia

   en.wikipedia.org/wiki/Materials_for_use_in_vacuum

   304L stainless steel, a low-carbon variant of 304 steel, is used for ultra-high vacuum systems. 316L stainless steel a low-carbon and low-magnetic stainless steel, used in accelerator technologies. 347 stainless steel does not accept high polish. 321 stainless steel is chosen when low magnetic permeability is needed.