They find dirty surfaces and paint them with images or messages using cleaning brushes or pressure hoses.

他们找到肮脏的表面，之后用清洁刷或高压软管在上面画上图案或写上信息。

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If you're a painter, for example, you probably own more than 100 items just in paint, brushes, canvases, and cleaning supplies alone.

比如，你是画家，很可能单单是颜料、刷子和画布，清洗工具你就有上百种。

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Thinning agent and cleaning of tools: water. Remove excess paint from tools and clean them with water or with tool cleaner immediately after use.

稀释剂和清洗工具：水。使用后迅速除去工具上多于的涂料，并用水或清洗工具将其清洗。

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For example, oils are used in paint and in cleaning products like soap.

VOA: special.2009.09.29

The structures are then coated with paint and a urethane that keeps liquids and bacteria from penetrating them and allows for easy cleaning.

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