File:Racal-5.jpg
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| Description |
Русский: Перевод отчёта об исследовании средства индивидуальной защиты органов дыхания от пыли с принудительной подачей воздуха в шлем. Исследование проводилось и в лабораторных условиях, и в реальных производственных (в разных шахтах). Получены низкие значения коэффициентов защиты.
English: Translation on Russian of the USBM report on the study of the respiratory protective equipment against dust with powered air supply to the helmet (PAPR) Airstream Helmet (manufactured by Racal). The study was conducted in the laboratory and in the workplaces (in different mines). Low values of protection factors were obtained. |
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| Source |
United States Bureau of Mines, Report of Investigations RI 8591, Protection Factors of the Airstream Helmet. United States Department of the interior LINK 1: https://www.cdc.gov/niosh/nioshtic-2/10002165.html LINK 2: https://нэб.рф/catalog/000200_000018_RU_INFOCOMM_317_NLR_5000023447/ |
| Author | Andrew B. Cecala, Jon C. Volkwein, Edward D. Thimons, and Charles W. Urban |
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This work is in the public domain in the United States because it is a work prepared by an officer or employee of the United States Government as part of that person’s official duties under the terms of Title 17, Chapter 1, Section 105 of the US Code.
Note: This only applies to original works of the Federal Government and not to the work of any individual U.S. state, territory, commonwealth, county, municipality, or any other subdivision. This template also does not apply to postage stamp designs published by the United States Postal Service since 1978. (See § 313.6(C)(1) of Compendium of U.S. Copyright Office Practices). It also does not apply to certain US coins; see The US Mint Terms of Use.
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| This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. | ||
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| current | 14:44, 14 November 2018 | | 2,344 × 1,312 (381 KB) | AlexChirkin (talk | contribs) | User created page with UploadWizard |
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