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    sosey's Avatar
    sosey Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Jul 10, 2010, 06:25 PM
    What are the white crystals/powder on metal light fitting socket?
    Just a quick question.
    tkrussell's Avatar
    tkrussell Posts: 9,659, Reputation: 725
    Uber Member
    		  
    #2

    Jul 11, 2010, 04:53 AM
    My guess is the socket shell is made of aluminum, and the powder is aluminum oxide.
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