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Choosing earplugs by attenuation, fit and shift length

An earplug that fits is worth more than a higher rated one that does not. Attenuation figures are measured on a correctly seated plug, so real protection depends on insertion technique, canal size and whether the wearer keeps it in for the whole shift.

Over-protection is a genuine risk as well: cutting too much makes warning signals and speech inaudible, so aim to bring exposure under the action value rather than as low as the numbers allow. Reusable moulded plugs suit repeated short exposures because they can be washed and refitted instead of replaced each time. Banded versions sit on a stem and drop clear when the wearer steps out of the noise, which fits intermittent work.

Corded versions stop losses and keep the plug off the floor. Filtered types flatten the attenuation curve so speech and machine cues stay readable on a busy floor. Where hygiene rules out reuse, a disposable earplug is the practical answer, and for very high levels or work over a helmet, ear defenders refit faster and more repeatably.

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