| http://www.w3.org/ns/prov#value | - John Colapietro, quality control manager for Tempglass, Inc. in Perrysburg, OH, noted that in addition to factors such as the condition of the furnace, size of the glass and conditions under which the tempered glass will finally be viewed, the experience level of the operator certainly contributes to the level of distortion apparent in tempered glass.
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