The reason of being stained easily for outdoorpaint and the methods adopted usually to improve the property of stain–resistance were stated briefly. The appl…
It may also take time to negotiate for the space for a specific outdoor advertising location, to print the posters, or to paint the board.
还可能需要时间来协商一个特定的户外广告位置的空间，打印海报，或油漆公告板。
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Although diesel exhaust may be a source of secondary aerosols, paint and solvents, outdoor barbecues, and vegetation also contribute significantly, he says.