Descriptor
| Manufacturing | 1 |
| Plastics | 1 |
| Resource Materials | 1 |
Source
| Ind Arts Vocat Educ | 1 |
Author
| Johnson, Ira H. | 1 |
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Education Level
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Johnson, Ira H. – Ind Arts Vocat Educ, 1969
Descriptors: Manufacturing, Plastics, Resource Materials
