95-110 dB (A) - motorcycle

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Statistically determined that the hearing problems faced about ten percent of the people, of which about one-fifth of diagnosed severe Thirty percent - the average, for others salary calculator - mild hearing impairment.
Category I (40-50 dB) - a mental salary calculator reaction occurs, II degree (60-80 dB) - occurs autonomic nervous system abnormalities, III degree (90-110 dB) - develop hearing loss, IV degree (more than 120 dB) - develops auditory organ damage.
Acoustic trauma is caused salary calculator by a very high strength (130 decibels or more) short-term exposure to noise, for example., A close shot, explosion, jet sound. Acoustic trauma in a person suddenly go deaf, severely hurt the ears, dizziness, often lose consciousness.
Auditory fatigue - this is a temporary reduction in hearing salary calculator sensitivity, which develops a longer period of time (hours or days) exposure to intensive salary calculator noise. Well rested in silence, usually, hearing fatigue disappears and hearing recovery.
Even compared with a slight 60-70 decibel noise causes: headaches, dizziness, squeaking ears insomnia, worsening memory, attention, orientation, reduced physical and mental salary calculator capacity to work; worse human auditory and visual sensomotor reaction speed, vibration sensitivity, coordination of movements; increases the risk of industrial injuries.
Studies have shown that noise as long-acting chronic stress, acting through the central nervous system, causing a variety of problems in the body, which can lead to various diseases - hypertonic and ischemic heart disease, atherosclerosis, gastric and duodenal chronic inflammations, ulcers and various neuroses development.
Sound absorption, absorption, active noise reduction, sound insulation, organizational-administrative tools, architectural-building salary calculator measures, personal protective equipment.
95-110 dB (A) - motorcycle
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