TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Components: The thixotropic agent is gaseous silicon dioxide. The water absorber is molecular sieve. The pigment is rutile titanium dioxide and/or carbon black. The filler is ceramic powder, ground quartz, mica powder, silicon whiskers, and/or corundum powder; and has particle size of less than 35 mu m.    TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Components: The thixotropic agent may be organic bentonite. The water absorber may be ketimine, aldimine, or oxazolidine. The coupling agent is silane or titanate coupling agent. The UV light absorber is SANDUV0R-3035 (RTM: 2-hydroxy-4-n-octyloxybenzophenone), TINUVIN-1130 (RTM: alpha -(3-(3-(2h-benzotriazol-2-yl)-5-(1,1-dimethylethyl)-4-hydroxyphenyl)-1-(oxopropyl)- omega -hydroxypoly(oxo-1,2-ethanediyl))), or TINUVIN-328 (RTM: 2-(2H-benzotriazol-2-yl)-4,6-di-tert-pentylphenol). The pigment may be everbright fast red, phthalocyanine blue, and/or everbright fast yellow. The diluent is propylene glycol monomethyl ether acetate, butyl acetate, and/or dimethylbenzene. The matting agent is inert matting agent and has granularity of less than 30 mu m. The scratch-resistant and stain-resistant slip agent is hydroxy(amino) siloxane and/or fluorine-modified hydroxy(amino) siloxane solution. The polyol is 1,2,6-triol, pentaerythritol, and/or trimethylolpropane. The aliphatic diisocyanate is diisocyanate having no unsaturated bond. The catalyst is used for catalyzing -NCO and -OH. The nanomaterial has at least one part located in nano size range (1-100 nm) in the three-dimensional space.    TECHNOLOGY FOCUS - POLYMERS - Preferred Components: The polyaspartic polyurea is aliphatic resin of formula RO-C(O)-CH2-CH(C(O)OR)-N(H)-X-N(H)-CH(C(O)OR)-CH2-C(O)-OR (I) or its derivative having molecular weight of 350-4000. The wetting dispersant is BYK-220S (RTM: solution of lower molecular weight unsaturated polycarboxylic acid polyester with polysiloxane copolymer), AT-203 (RTM: organic wetting/dispersing agent), DISPERBYK-161 (RTM: solution of high molecular weight block copolymer with pigment affinic groups), DISPERBYK-163 (RTM: solution of high molecular weight block copolymer with pigment affinic groups), EFKA-4061 (RTM: modified polyurethane), EFKA-4050 (RTM: modified polyurethane), and/or EFKA-4060 (RTM: high molecular weight modified polyurethane in butyl acetate/methoxypropyl acetate/xylene). The thixotropic agent may be polyethylene wax or polyamide wax. The leveling agent is BYK-354 (RTM: polyacrylate solution), BYK-355 (RTM: polyacrylate solution), BYK-356 (RTM: solvent-free polyacrylate), TEGO-415 (RTM: polyether siloxane copolymer solution), or EFKA-3777 (RTM: fluorocarbon-modified polymer). The defoamer is TEGO Airex 900 (RTM: organomodified polysiloxane), TEGO Airex 910 (RTM: silicone-free polymer solution), TEGO Foamex N (RTM: dimethyl polysiloxane), or DAPRO DF 6800 (RTM: polysiloxane containing hydrophobically modified silica). The elastic hydroxy resin is elastic hydroxy polyester and/or elastic hydroxy polyether having molecular weight of 400-3000 and hydroxyl content of 1-5%.R, X=saturated substituent groups.