Editing Paper shredder (section)

====''Deutsches Institut für Normung'' (DIN)====
The previous [[DIN]] 32757 standard has now been replaced with DIN 66399. This is complex,<ref>{{cite web |title=New times, new storage media, new standards |url=http://www.hsm.eu/en/products/shredding/document-shredder/new-din-66399/ |publisher=HSM |access-date=22 February 2017 |url-status=dead |archive-url=https://web.archive.org/web/20170223125956/http://www.hsm.eu/en/products/shredding/document-shredder/new-din-66399/ |archive-date=23 February 2017}}</ref> but can be summarized as below:
*Level P-1 = ≤ 2000&nbsp;mm<sup>2</sup> particles or ≤ 12&nbsp;mm wide strips of any length (For shredding general internal documents such as instructions, forms, expired notices)
*Level P-2 = ≤ 800&nbsp;mm<sup>2</sup> particles or ≤ 6&nbsp;mm wide strips of any length
*Level P-3 = ≤ 320&nbsp;mm<sup>2</sup> particles or ≤ 2&nbsp;mm wide strips of any length (For highly sensitive documents and personal data subject to high protection requirements, purchase order, order confirmations or delivery notes with address data)
*Level P-4 = ≤ 160&nbsp;mm<sup>2</sup> particles with width ≤ 6&nbsp;mm (Particularly sensitive and confidential data, working documents, customer/client data, invoices, private tax and financial documents)
*Level P-5 = ≤ 30&nbsp;mm<sup>2</sup> particles with width ≤ 2&nbsp;mm (Data that must be kept secret, balance sheets and profit-and-loss, strategy papers, design and engineering documents, personal data)
*Level P-6 = ≤ 10&nbsp;mm<sup>2</sup> particles with width ≤ 1&nbsp;mm (Secret high-security data, patents, research and development documents)
*Level P-7 = ≤ 5&nbsp;mm<sup>2</sup> particles with width ≤ 1&nbsp;mm (Top secret, highly classified data for the military, embassies, intelligence services)