OSHA claims you ought to have on ear protection for sounds over eighty five decibels. A gasoline garden mower is close to 90 decibels. Even so, the Centers for Illness Management and Prevention (CDC) says that regular publicity to sounds more than 70 decibels can cause some hearing destruction. “Variety” https://real-estate-broker-crm60470.wizzardsblog.com/32387285/the-basic-principles-of-sound-level-meter