11. Crosky said a plant fiber-based material would be renewable and biodegradable. 12. Parchment has unique structural qualities which differentiate it from paper-based materials . 13. In general, concrete and concrete based materials are intensive energy materials to produce. 14. Grant seems to know that her chief strength is acoustic-based material . 15. Although there is heating, it is not enough to melt the base materials . 16. Product : cleaners, soaps and air fresheners made from plant-based materials . 17. They acidentally ignited barrels of higly flammable paint and base material . 18. Adhesives are made from synthetic materials, and cements are made from rubber-based materials . 19. Metallic foams typically retain some physical properties of their base material . 20. We have to get out there with more compelling, broad-based material .
