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A plumbing drawing

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Plumbing drawing

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A recycle water drawing

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A saving water drawing

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A water pollution drawing

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A recycling water drawing

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A library drawing

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A police office drawing

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A hospital drawing

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A monument drawing

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A hotel drawing

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A construction site drawing

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A cottage drawing

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A town drawing

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A lake drawing

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A home drawing

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Archicad drawing

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Cedreo drawing

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Cedreo drawing

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A factory drawing

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A monument drawing

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A solar panel drawing

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A school drawing

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A house drawing

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A green roof drawing

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A voice drawing

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Global warming drawing

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A hydro power drawing

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A skylight drawing

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A car check point drawing

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A green house drawing

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A solar panel drawing

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A bus drawing

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A deer drawing

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A collecting rainwater drawing

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A technician drawing

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A saving planet drawing

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A carbon dioxide drawing

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An energy saving drawing

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A library drawing