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The top third and bottom third of the glass has been protected with Enduro Shield Glass Coating, the middle section has not. Muddy water has then been poured over the glass.

A product warning affecting more than a million skylight windows across Europe has been issued by the manufacturer following reports of "spontaneous glass breakage".

Beaty-Warren Middle School in Warren, Pa., nears the completion of an extensive renovation to update and unify its 80-year-old facility.

EnduroShield provides a glass scratch removal service to remove glass scratches, mineral deposits or soap scum build up from glass surfaces.