![IJERPH | Free Full-Text | Is a Mask That Covers the Mouth and Nose Free from Undesirable Side Effects in Everyday Use and Free of Potential Hazards? IJERPH | Free Full-Text | Is a Mask That Covers the Mouth and Nose Free from Undesirable Side Effects in Everyday Use and Free of Potential Hazards?](https://www.mdpi.com/ijerph/ijerph-18-04344/article_deploy/html/images/ijerph-18-04344-g004.png)
IJERPH | Free Full-Text | Is a Mask That Covers the Mouth and Nose Free from Undesirable Side Effects in Everyday Use and Free of Potential Hazards?
LCS Trendall, AD (1967a) The Red-Figured Vases of Lucania, Campania and Sicily. Oxford. PhV Trendall, AD (1967b) Phlyax Vases. BICS Suppl. 19. London. PCG Kassel, R. and C. Austin (2001) Poetae Comici Graeci. Berlin/New York.
![Amazon.com: Dweebzilla Thick Bold One Piece Shield Lens Retro Sport Sunglasses (Gold & Black Frame, Black Super Dark Lens) : Clothing, Shoes & Jewelry Amazon.com: Dweebzilla Thick Bold One Piece Shield Lens Retro Sport Sunglasses (Gold & Black Frame, Black Super Dark Lens) : Clothing, Shoes & Jewelry](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/41O6ApfcUdL._AC_SX679_.jpg)
Amazon.com: Dweebzilla Thick Bold One Piece Shield Lens Retro Sport Sunglasses (Gold & Black Frame, Black Super Dark Lens) : Clothing, Shoes & Jewelry
![BS EN 405:2001+A1:2009 Respiratory protective devices. Valved filtering half masks to protect against gases or gases and particles. Requirements, testing, marking - European Standards BS EN 405:2001+A1:2009 Respiratory protective devices. Valved filtering half masks to protect against gases or gases and particles. Requirements, testing, marking - European Standards](https://www.en-standard.eu/imgcache/b/f/pi449-bs-en-405-2001-a1-2009-BS-EN-405-2001-A1-2009-Respira_260_260_321278.jpg)
BS EN 405:2001+A1:2009 Respiratory protective devices. Valved filtering half masks to protect against gases or gases and particles. Requirements, testing, marking - European Standards
![MOLDEX Masks à cartouches non amovibles - Compact Mask - Masks - Health and safety - Laboratory equipment MOLDEX Masks à cartouches non amovibles - Compact Mask - Masks - Health and safety - Laboratory equipment](https://www.kisker-biotech.com/images/products/0N-07-44.jpg)
MOLDEX Masks à cartouches non amovibles - Compact Mask - Masks - Health and safety - Laboratory equipment
![Uncovering the disposable face masks as vectors of metal ions (Pb(Ⅱ), Cd(Ⅱ), Sr(Ⅱ)) during the COVID-19 pandemic - ScienceDirect Uncovering the disposable face masks as vectors of metal ions (Pb(Ⅱ), Cd(Ⅱ), Sr(Ⅱ)) during the COVID-19 pandemic - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S1385894722011159-gr2.jpg)
Uncovering the disposable face masks as vectors of metal ions (Pb(Ⅱ), Cd(Ⅱ), Sr(Ⅱ)) during the COVID-19 pandemic - ScienceDirect
BS EN 405:2001+A1:2009 Respiratory protective devices. Valved filtering half masks to protect against gases or gases and particles. Requirements, testing, marking - European Standards
![Feelings of dual-insecurity among European workers: A multi-level analysis - Wim van Oorschot, Heejung Chung, 2015 Feelings of dual-insecurity among European workers: A multi-level analysis - Wim van Oorschot, Heejung Chung, 2015](https://journals.sagepub.com/cms/10.1177/0959680114523199/asset/images/large/10.1177_0959680114523199-fig1.jpeg)
Feelings of dual-insecurity among European workers: A multi-level analysis - Wim van Oorschot, Heejung Chung, 2015
![Physical distancing, face masks, and eye protection to prevent person-to-person transmission of SARS-CoV-2 and COVID-19: a systematic review and meta-analysis - The Lancet Physical distancing, face masks, and eye protection to prevent person-to-person transmission of SARS-CoV-2 and COVID-19: a systematic review and meta-analysis - The Lancet](https://www.thelancet.com/cms/attachment/8a9a46ef-e0d2-4168-846d-a97c8d2228cb/gr1_lrg.gif)