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English: A lot of lower-quality paper (e.g. newspaper or cardboard) is acidic, which means it will damage whatever it comes in contact with, and consume itself over time.

Here is an example of an artifact held in a cardboard box – the acid from cardboard inflicted damage on the schematic. The solution is to use acid-free cardboard and paper.

Also, human sweat is acidic and etches itself in metal, for example (although it’s only visible after a few months) – and that’s why you are supposed to wear gloves whenever interacting with exhibits... and generally avoid that if possible.
Date
Source https://www.flickr.com/photos/mwichary/2253728433/
Author Marcin Wichary
Camera location37° 24′ 54.33″ N, 122° 04′ 41.11″ W Kartographer map based on OpenStreetMap.View this and other nearby images on: OpenStreetMapinfo

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This file is licensed under the Creative Commons Attribution 2.0 Generic license.
You are free:
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This image was originally posted to Flickr by Marcin Wichary at https://flickr.com/photos/8399025@N07/2253728433. It was reviewed on 28 November 2021 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0.

28 November 2021

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9 February 2008

37°24'54.331"N, 122°4'41.110"W

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531bdd849cabaecf283d245875cec832de72a43f

4,634,603 byte

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current18:21, 28 November 2021Thumbnail for version as of 18:21, 28 November 20213,888 × 2,588 (4.42 MB)BelburyUploaded a work by Marcin Wichary from https://www.flickr.com/photos/mwichary/2253728433/ with UploadWizard

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