File:Coal miner spraying rock dust.jpg
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Summary
editDescriptionCoal miner spraying rock dust.jpg |
English: A coal miner in West Virginia spraying rockdust to reduce the combustible fraction of coal dust in the air. |
Date | |
Source | https://www.flickr.com/photos/niosh/8743393753/ |
Author | National Institute for Occupational Safety and Health |
Licensing
editThis image, originally posted to Flickr, was reviewed on 18 March 2024 by the administrator or reviewer Leoboudv, who confirmed that it was available on Flickr under the stated license on that date. |
Public domainPublic domainfalsefalse |
This image is a work of the Centers for Disease Control and Prevention, part of the United States Department of Health and Human Services, taken or made as part of an employee's official duties. As a work of the U.S. federal government, the image is in the public domain.
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 16:21, 4 December 2013 | 3,216 × 2,144 (654 KB) | JZNIOSH (talk | contribs) | User created page with UploadWizard |
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Metadata
This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.
Camera manufacturer | Panasonic |
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Camera model | DMC-TZ3 |
Author | Kenneth W. Fent |
Exposure time | 1/30 sec (0.033333333333333) |
F-number | f/3.3 |
ISO speed rating | 400 |
Date and time of data generation | 11:19, 31 March 2009 |
Lens focal length | 4.6 mm |
Short title |
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Image title |
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Horizontal resolution | 240 dpi |
Vertical resolution | 240 dpi |
Software used | Adobe Photoshop Lightroom 4.3 (Windows) |
File change date and time | 09:07, 16 May 2013 |
Exposure Program | Normal program |
Exif version | 2.3 |
Date and time of digitizing | 11:19, 31 March 2009 |
APEX shutter speed | 4.906891 |
APEX aperture | 3.444932 |
APEX exposure bias | 0 |
Maximum land aperture | 3.44 APEX (f/3.29) |
Metering mode | Pattern |
Light source | Flash |
Flash | Flash fired, compulsory flash firing |
Sensing method | One-chip color area sensor |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Digital zoom ratio | 0 |
Focal length in 35 mm film | 28 mm |
Scene capture type | Standard |
Contrast | Normal |
Saturation | Normal |
Sharpness | Normal |
Date metadata was last modified | 05:07, 16 May 2013 |
Unique ID of original document | 93E9551C43E96DF2F73706000BB215D6 |
Keywords |
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IIM version | 4 |