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jackhammer    音标拼音: [dʒ'ækh,æmɚ]
n. 手提钻

手提钻

jackhammer
n 1: a hammer driven by compressed air [synonym: {air hammer},
{jackhammer}, {pneumatic hammer}]

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  • Water Spray Control of Hazardous Dust When Breaking Concrete with a . . .
    nozzle on the jackhammer Mounting the nozzle above the end of the jackhammer will prevent the nozzle from striking the pavement Water-supply lines: Connect the nozzle by flexible 16 pounds-per-square-inch (psi), 3 8-inch-diame-ter hydraulic line to a quarter-turn valve mounted near the operator’s hand position for turning the wa-
  • Water Spray Control of Hazardous Dust | NIOSH | CDC
    Construction workers are exposed to hazardous dust when using jackhammers to break concrete pavement NIOSH found that exposures could be reduced by using a water-spray attachment
  • Vibration Syndrome (83-110) | NIOSH | CDC
    Current Intelligence Bulletin 38 In light of a recently completed, comprehensive study, conducted by the National Institute for Occupational Safety and Health (NIOSH), the Institute concludes that vibrating hand tools can cause vibration syndrome, a condition also known as vibration white finger and as Raynaud’s phenomenon of occupational origin
  • Occupational Hearing Loss Surveillance | Noise and Hearing Loss - CDC
    Surveillance Surveillance is vital to prevent occupational hearing loss Using surveillance data, NIOSH identifies high risk groups, guides prevention and research efforts, and evaluates the success or failure of interventions
  • Preventing Noise-Induced Hearing Loss | CDC
    Hearing loss can result from damage to structures and or nerve fibers in the inner ear that respond to sound This type of hearing loss, termed “noise-induced hearing loss,” is usually caused by exposure to excessively loud sounds and cannot be medically or surgically correcte
  • Current Intelligence Bulletin 32: Arsine (Arsenic Hydride) Poisoning in . . .
    Three workers were poisoned while using a jackhammer to remove slag from ladles To reduce dust, water was sprayed on the slag The water reacted with the arsenide of the alkali metal, generating arsine 9; A worker was poisoned while cleaning an obstructed industrial drain which contained acid liquors with arsenic impurities
  • Simple Solutions for Dusty Environments - Centers for Disease Control . . .
    - Using a jackhammer Slip, Trip, and Fall Hazards are the second leading cause of injury at surface mines - Contaminants on walking surfaces (grease and oils, excessive spillage, etc ) - Unstable working surfaces - Inadequate barriers Note: Multiple MSD risk factors may be present simultaneously The risk of injury increases as the number of





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