petroleum refining

Camera：Nikon D300, Lens：AiAF Nikkor 85mm F1.8D
Exif：Aperture priority mode, 0EV, ISO= 200, SS= 1/6400sec, f=9, Focus distance= 85mm, No flash
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Camera：Nikon D300, Lens：AF-S DX VR Nikkor ED 18-200mm F3.5-5.6G
Exif：Aperture priority mode, 0EV, ISO= 200, SS= 1/640sec, f=8, Focus distance= 200mm, No flash
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Camera：Nikon D300, Lens：AiAF Nikkor 85mm F1.8D
Exif：Aperture priority mode, 0EV, ISO= 200, SS= 1/5000sec, f=9, Focus distance= 85mm, No flash