TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Components: The additive is titanium dioxide, silicon dioxide, hollow glass bead, zinc oxide, aluminum doped zinc oxide, indium tin oxide, tin oxide, silver, iron trioxide, calcium carbonate and/or barium sulfate.    TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Composition: The content of vinyl acetate in ethylene-vinyl acetate copolymer composition is 9-33%. The cross-linking agent is dibenzoyl peroxide, trimethylacetic peroxide-2-phthalic acid ester, tertiary butyl peroxide-2-phthalic acid ester, tertiary butyl peroxide isobutyl paraben, methylisobutylketone peroxide, trimethylacetic peroxydicarbonate-2-phthalic acid ester, 1,1-di-tertiary butyl peroxide-3,3,5-trimethyl-cyclohexane, 1,1-di-tertiary butyl peroxide cyclohexane, tertiary butyl peroxydicarbonate isopropyl myristate, tertiary butyl peroxide-3,5,5-trimethyl caprolactone, 2,5-dibenzoyl peroxide-2,5-dimethylhexane, tertiary butyl peroxydicarbonate-2-phthalic acid ester, tertiary butyl hydroperoxide ethyl ester acid, dicumyl peroxide, 2,5-di-tertiary-butyl peroxide-2,5-dimethylhexane, di-tertiary-butyl peroxide and/or tertiary butyl hydroperoxide. The antioxidant is 3,5-di-tertiary-butyl-4-hydroxyphenylpropionic acid isooctanol ester, 3,5-di-tertiary-butyl-p-cresol-4-hydroxybenzene propanoic acid octadecyl ester, tri(nonylphenyl)phosphite ester, diphenyl octyl, phosphorus acid/or tri(2,4-di-tertiary-butyl)ester. The light stabilizer is bis(2,2,6,6-tetramethyl-4-piperidyl)sebate, 2,4-dichlone-6-(4-morpholinyl)-1,3,5-triazine and/or 3,5-ditertiary butyl-4-hydroxy-benzoic acid cetyl ester. The tackifier is silane coupling agent, which is triethoxyvinylsilane, vinyl trimethoxy silane, and/or gamma -methacrylonitrile acyloxy propyl trimethoxy silane. The fluorescent brightener is 2,5-bi(5-tertiaryiary butyl-2-benzoxazolyl)thiophene, 2,2'-(4,4'-stilbene)-dibenzoxazole, and/or 4,4-di(5-methyl-2-benzoxazole)stilbene.    TECHNOLOGY FOCUS - POLYMERS - Preferred Property: The ethylene-vinyl acetate copolymer composition has melt index of 5-40 g/10 minutes.