100+ Regular exposure PowerPoint (PPT) Presentations, Regular exposure PPTs

Regular exposure - PowerPoint PPT Presentation

Decibel ( dB)

Decibel ( dB) . dB is a logarithmic value that expresses difference and not absolute values A corresponding reference scale is required For sound, sound-pressure level ( SPL ) is used as the reference scale (dB SPL) The threshold of hearing (0 dB SPL) is used as the reference or zero point.

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1.91k views • 17 slides

Protect Your Skin From Sun

With various types of information available out there, it is only natural for you to get confused about whether or not to expose your skin to the sun. Well there are both pros and cons to regular exposure to the sun.

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120 views • 2 slides

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Regular exposure - PowerPoint PPT Presentation

Decibel ( dB)

Protect Your Skin From Sun