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- Dictionaryvibration/vʌɪˈbreɪʃn/
noun
- 1. an instance of vibrating: "powerful vibrations from an earthquake" Similar
- 2. a person's emotional state, the atmosphere of a place, or the associations of an object, as communicated to and felt by others: informal "I picked up no unusual vibrations as to the envelope's contents"
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When a worker operates hand-held equipment such as a chain saw or jackhammer, vibration affects hands and arms. Such an exposure is called hand-arm vibration exposure. When a worker sits or stands on a vibrating floor or seat, the vibration exposure affects almost the entire body and is called whole-body vibration exposure.
May 17, 2024 · Vibration exposure direction is also important and is measured in defined directions. Vibration frequencies and duration of exposure are also determined. How hard a person grips a tool affects the amount of vibrational energy entering the hands; therefore, hand-grip force is another important factor in the exposure assessment.
May 10, 2024 · The symptoms of vibration-induced white finger are aggravated when the hands are exposed to cold. Vibration can cause changes in tendons, muscles, bones and joints, and can affect the nervous system. Collectively, these effects are known as hand-arm vibration syndrome. Workers affected by hand-arm vibration syndrome commonly report:
May 17, 2024 · Vibration - Measurement, Control and Standards Disclaimer Although every effort is made to ensure the accuracy, currency and completeness of the information, CCOHS does not guarantee, warrant, represent or undertake that the information provided is correct, accurate or current.
The risk of vibration-induced injury depends on the average daily exposure. An evaluation of the risk takes into account the intensity and frequency of the vibration, the duration (years) of. exposure and the part of the body which receives the vibration energy. Hand-arm vibration causes damage to hands and fingers. It appears as damage to blood
whole-body vibration” (published in 1997, and confirmed current in 2014). The Standard focuses on the possible effects of vibration on health, comfort and perception, and on the incidence of motion sickness. They caution that vibration is often complex, contains many frequencies, occurs in several directions, and changes over time.
Jan 17, 2017 · Vibration of large structures (e.g., ventilation ducts, guards on machines, equipment supporting structures, etc.) The sound may be amplified by reflective surfaces that are around the devices. Aerodynamic sources of noise are air or fluid flows through pipes and fans or as the pressure drops in the air distribution system.
Mar 21, 2018 · Bumpy roads can also cause vibration to the passengers in the car. Vibration exposure occurs when we come in contact with vibrating tools, seats or floors. The health effect appears in the part of the body that comes in contact with vibration. Hand-arm vibration can damage blood vessels and nerves in hands. As a result, fingers turn white or ...
May 10, 2024 · What are sound and noise? Back to top. Sound is what we hear. Noise is unwanted sound. The difference between sound and noise depends upon the listener and the circumstances.
Physical agents are sources of energy that may cause injury or disease. Examples include noise, vibration, radiation, and extremes in temperature.
