Revision history of "File:Soap test laser fail.jpg"

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  • (cur | prev) 01:04, 25 November 2010‎ Tony (talk | contribs)‎ . . (132 bytes) (+132)‎ . . (Using a laser pointer to show particles of soap in the water layer of a 50/50 shake up test, which otherwise looks clear to the eye.)
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