$243\left( \frac{x^2}{9} + \frac{y^2}{4} + \frac{z^2}{9} - 1 \right)^3 - x^2 z^3 - \frac{9}{80} y^2 z^3=0$ $\left[ \left( x^2 + y^2 - 5.76 \right)^2 + \left( z^2 - 9 ...

AI is impacting customers, workers, firms, and industries ...

Abstract: Product disassembly is significant for recycling scrapped products and reducing environmental pollution and resource waste. The recovery, reuse, and recycling of industrial products is ...

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