I used to be able to hear 3kHz easily but as my hair cells fade into the sunset that frequency now seems to be down 3 or 6 dB. As a consequence the high pitched "beep beep" sound on my portable alarm ...
Safety should always be a priority when you’re traveling, and we have just the item to help you feel safe while abroad: portable door locks. Adding these devices to your travel gear will help relieve ...
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