Talaksan:Air pollution by industrial chimneys.jpg

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Air_pollution_by_industrial_chimneys.jpg((750 × 500 pixel, laki ng talaksan: 256 KB, uri ng MIME: image/jpeg))

From the National Park Service source

"Photo was taken prior to installation of emission controls equipment for removal of sulfur dioxide and particulate matter."


Public domain This image or media file contains material based on a work of a National Park Service employee, created as part of that person's official duties. As a work of the U.S. federal government, such work is in the public domain in the United States. See the NPS website and NPS copyright policy for more information.
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Pindutin ang araw/oras upang makita kung papaano ang itsura ng talaksan noong oras na iyon.

Araw/OrasThumbnailMga dimensiyontagagamitKumento
kasalukuyan22:31, 22 Mayo 2007Kagyat (''thumbnail'') para sa bersyon mula noong 22:31, 22 Mayo 2007750 × 500 (256 KB)ArtMechanic
03:21, 24 Nobyembre 2004Kagyat (''thumbnail'') para sa bersyon mula noong 03:21, 24 Nobyembre 2004673 × 447 (70 KB)QuadellFrom the National Parks Service [http://www2.nature.nps.gov/air/pubs/Core_Slides/sources.htm source] {{PD-USGov}}

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