• Steve@communick.news
    link
    fedilink
    English
    arrow-up
    18
    ·
    edit-2
    19 hours ago

    70 is the line. Anything below that will never cause damage.
    Above that depends on how long the exposure is. A hair dryer is ~90db. For a several min that’s not realy a problem. 125db is jackhammer range. That could be okay for a couple seconds, probably not 20 seconds.