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Cookie akzeptierenL. H. Sperling / Charles E. Carraher Jr.
Polymer Applications of Renewable-Resource Materials
- Springer US
- 2013
- Taschenbuch
- 488 Seiten
- ISBN 9781461335054
For there is hope of a tree, If it be cut down, That it will sprout again And that the tender branch Thereof will not cease. Job XIV (7) Mankind has been blessed with a multitude of resources. In the beginning he utilized almost soley replenishable items such as vegetation and animal protein, for both nourishment and shelter. Gradually, such metals as copper and iron were developed and replaced wood as a material of construction. Cement and glass, although more plentiful than other minerals, also replaced the use of growing sub stances. Coal and oil became the primary sources of heat and power. Closer to the
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