The only things that cannot be disposed of in an environmentally-sound way are the heavily contaminated or mixed materials like cat litter and disposable nappies.

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In addition to deviated number keys that glow white when depressed, the C630 also incorporates mixed materials, including a rubberized back-panel, a mirrored screen and a small joystick pad to provide an even cooler user experience.

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On Friday, Brazilian stocks were mixed as rises in basic materials shares such as those of Petrobras, the national oil company, and miner Vale were partly offset by declines in steel companies.

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On Friday, Brazilian stocks were mixed as rises in basic materials shares such as those of Petrobras , the national oil company, and miner Vale (nyse: RIO - news - people ) were partly offset by declines in steel companies.

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The LED display technology and materials company Universal Display this afternoon posted mixed results for the fourth quarter.

FORBES: Universal Display Posts Mixed Q4; Shares Gain After Hours

Sometimes two crystalline materials that do not react with each other can be mixed to form a so-called co-crystal.

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Here is the recipe he and his team discovered: organic material, like grass clippings or agricultural waste, is mixed with a stabilizing peptide powder and from that protein is extracted from the materials, stabilized.

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