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Tom sawyer

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Tom sawyer

science

what is the safe light level for human eyes?
11:29 Mon 01st May 20061 answer, last by Porque_Jorge 23:45 Fri 02nd Jun 2006
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Tom sawyer

science

what is the measuring unit of light?
11:28 Mon 01st May 20067 answers, last by jonskinner28 23:54 Tue 02nd May 2006
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Tom sawyer

science

what is safe noise level for human ears?
11:27 Mon 01st May 20062 answers, last by shammydodger 12:31 Mon 01st May 2006

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