Microscopy, Electron, Scanning, Thermogravimetry, Electronics, Microcomputers, Wood - economics, Polyethylenes - analysis, Spectroscopy, Fourier Transform Infrared, Industrial Waste - analysis, Industrial Waste - economics, Wood - analysis, Industry, Thermodynamics, Absorption, Polychlorinated Biphenyls - chemistry, Plastics - economics, Plastics - analysis