ORIGIN AND SYNTHESIS OF PLASTICS MATERIALS
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Explores the organic origin of plastics and the resemblance of synthetic compounds to natural substances. Shows how plastics are made and typical uses for them. From the PLASTICS series. No. 1
Sources
- usgov-av-1974 — title, year, creator, length, color, sound, description
Record added 2026-07-02 18:27:50