Molding better plastics with clay.
Frazer
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D000538:Aluminum Silicates / Q000737:chemistry*; D000077215:Clay; D003247:Conservation of Natural Resources; D008420:Manufactured Materials; D008422:Materials Testing; D010969:Plastics / Q000737:chemistry*; D011108:Polymers; D012037:Refuse Disposal
D000538:Aluminum Silicates; D010969:Plastics; D011108:Polymers; D000077215:Clay