Accurate Sound Level Meterby Eleanor Grace
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101Accurate Sound Level Meter is a universal sound level meter that measures the
exponential time weighted sound level. It has Φ 12.7 mm (1/2) test condenser
microphone a...
Decibelby Brookerrrs6402
6402Charlie Grey is deaf. Literally, she lives in silence, all because of a car accident. However, that doesn't stop her from loving the 5 boys who captured her heart. What...