| 21. | I think Arizona is all calcium ( a base material ).
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| 22. | He is exploiting supramolecular methods to generate graphene based materials with tunable properties.
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| 23. | Ever more sophisticated processes were devised to prepare products that replaced solvent-based materials.
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| 24. | It was yeast-base material, the kind only the Terrestrial Empire produced.
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| 25. | What we want to do is replace petroleum in plastics with bio-based materials.
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| 26. | Examples of chemical poisoning include chlorine-based materials released into the atmosphere.
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| 27. | Fossil fuels _ natural gas, propane, gasoline, fuel oil, charcoal _ are carbon-based materials.
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| 28. | The process uses a glass-based material as a purifying agent.
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| 29. | I was the one inserting well sourced science based material.
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| 30. | But actual bioceramic aggregates are composed of pure medical graded calcium silicate based material.
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