Mar3hb

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Filed Carcamarba, Tips and tricks

228728 telinga

Hari tu aku gi tempat , ada aa ceramah pasal keselamatan dan bebenda berkaitan ngan company tempat aku tu. So salah satu daripada benda yang menarik perhatian aku ialah kadar kenyaringan bunyi yang boleh kita dengar tanpa masalah. Kat bawah ni dia nyer susun atur tempoh telinga kita boleh dgr frekuensi tersebut sebelum telinga kita akan mengalami kerosakan:

dan 100 dB adalah frekuensi yang kita dgr kalau kita guna walkman, discman, atau apa² yang sewaktu dengannya. So kalau kita macam dah ala-ala pekak sebab dgr mp3 player ke apa ke… memang btul aa tu… heehe…. selamat²… ;)

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