File:Total hardness.png
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![File:Total hardness.png](/1718t3isss608/img_auth.php/thumb/1/17/Total_hardness.png/800px-Total_hardness.png)
Size of this preview: 800 × 452 pixels. Other resolutions: 320 × 181 pixels | 978 × 552 pixels.
Original file (978 × 552 pixels, file size: 64 KB, MIME type: image/png)
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 23:02, 9 July 2018 | ![]() | 978 × 552 (64 KB) | Sauravj.2017 (talk | contribs) |
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