TEXT VERSION OF SLIDE:
Type: Picture Slide
Content: Includes four photo collage including pictures of foundry operations as well
as mining of coal, metals, and clay.
Speaker Notes: Silica is found widely in sand and granite. Besides construction
operations, it may be present in pottery and foundry operations and in the
mining of coal, metals, clay and so forth. Many synthetics consist of submicron
particles of silica.
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Printing Instructions | Text Version