Raw to ready : transforming raw materials into magnificent machines. Episode 4, Komatsu / producer, Rosie Sharkey.

To extract precious metals found beneath the earth requires a massive 232-ton, two-story-tall dump truck with a load capacity of 320 tons -- a giant earth-mover like the Komatsu 930E. This amazing engineering achievement is made possible by five essential raw ingredients: coal, chromium, mineral oil...

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Bibliographic Details

Online Access:	Streaming Video (via Alexander Street Press)
Other Authors:	Sharkey, Rosie (Producer)
Format:	Video
Language:	English
Published:	Arlington, VA : Public Broadcasting Service (PBS), 2013.
Subjects:	Analytical chemistry. Graders (Earthmoving machinery) > Design and construction. Documentary television programs.