noise-protective

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• Noise regulation — includes statutes or guidelines relating to sound transmission established by national, state or provincial and municipal levels of government. After the watershed passage of the United States Noise Control Act of 1972,[1] other local and state… …   Wikipedia

• Protective relay — See also: Power system protection In electrical engineering, a protective relay is a complex electromechanical apparatus, often with more than one coil, designed to calculate operating conditions on an electrical circuit and trip circuit breakers …   Wikipedia

• American football protective equipment — ( football gear ) consists of equipments worn by football players for the protection of the body during the course of football games. Basic equipments worn by almost all football players include a helmet, shoulder pads, a jockstrap (aka athletic… …   Wikipedia

• Industrial noise — is usually considered mainly from the point of view of environmental health and safety, rather than nuisance, as sustained exposure can cause permanent hearing damage. Traditionally, occupational noise has been a hazard linked to heavy industries …   Wikipedia

• Hearing conservation program — Hearing conservation programs are design to prevent noise induced hearing loss. A written hearing conservation program is required by the Occupational Safety and Health Administration (OSHA) “whenever employee noise exposures equal or exceed an 8 …   Wikipedia

• Microphone — For the indie film, see Microphone (film). Microphones redirects here. For the indie band, see The Microphones. A …   Wikipedia

• occupational disease — 1. Also called industrial disease. a disease caused by the conditions or hazards of a particular occupation. 2. a trait or tendency that develops among members of a particular profession: Cynicism was thought to be an occupational disease of… …   Universalium

• David Clark Company — David Clark Company, Inc. Type Private Corporation Industry Electronics and textiles manufacturing Founded 1935 …   Wikipedia

• Olivocochlear system — The olivocochlear system is a component of the auditory system involved with the descending control of the cochlea. Its nerve fibres, the olivocochlear bundle (OCB), form part of the vestibulocochlear nerve (VIIIth cranial nerve, also known as… …   Wikipedia

• Chainsaw safety clothing — Main article: Chainsaws A man cutting while wearing helmet, goggles, ear defenders, gloves, chaps, and boots Regulations generally recommend that chainsaw users wear protective clothing, also known as Personal Protective Equipment or PPE, while… …   Wikipedia

• Relay — This article is about the electrical component. For other uses, see Relay (disambiguation). Automotive style miniature relay, dust cover is taken off A relay is an electrically operated switch. Many relays use an electromagnet to operate a… …   Wikipedia