Safety Glass
Date:2011-05-16 13:36
Status:Be resolved
Question:admin
s a tempered glass sheet through polarized edge of the glass to see color section, and in the observation of the surface layer of glass, you can see black and white spots. Polarizing film can be found in the camera lens or glasses, and when attention to the adjustment of light source, which is more easily observed.
Using position
Architecture requires the use of safety glass safety glass cover of the bit
Location: Building safety glass regulations (January 1, 2004 effective) listed buildings in
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