"Caterpillars" work in dust and soot hauling logs to landing area where they will be loaded onto trucks. Face mask filters… https://www.rawpixel.com/image/8799786/photo-image-face-public-domain-maskFree Image from public domain licenseMedical staff measuring patient's temperature. Original public domain image from Flickr https://www.rawpixel.com/image/8708733/photo-image-face-phone-public-domainFree Image from public domain licenseOperation at Provident Hospital on South Side of Chicago, Illinois (1941). Original from Library of Congress. Digitally… https://www.rawpixel.com/image/2301130/free-photo-image-surgery-doctor-spanish-fluFree Image from public domain licenseHealthcare workers assuring each other’s personal protective equipment PPE had been properly secured. https://www.rawpixel.com/image/2288455/free-photo-image-pandemic-coughing-safety-equipmentFree Image from public domain licenseOperation at Herrin Hospital (private), Herrin, Illinois (1939). Original from Library of Congress. Digitally enhanced by… https://www.rawpixel.com/image/2301132/free-photo-image-surgery-medical-spanish-fluFree Image from public domain licenseThe process of demonstrating how to properly secure a face mask. Original image sourced from US Government department:… https://www.rawpixel.com/image/2288510/free-photo-image-face-mask-cough-suit-coronaFree Image from public domain licenseOperation, Herrin Hospital (private), Herrin, Illinois (1939). Original from Library of Congress. Digitally enhanced by… https://www.rawpixel.com/image/2301119/free-photo-image-doctor-spanish-flu-historyFree Image from public domain licenseWorkers during construction of Mangahao hydro-electric scheme (circa 1922) by Leslie Adkin. https://www.rawpixel.com/image/13027694/photo-image-leslie-adkin-workers-photographFree Image from public domain licenseA healthcare worker investigating mold presence inside a home that had been flooded by Hurricane Katrina. https://www.rawpixel.com/image/2288305/free-photo-image-mold-asian-indoorsFree Image from public domain license[Untitled photo, possibly related to: Fort Belvoir, Virginia. Sergeant George Camblair learning how to use a gas mask in a… https://www.rawpixel.com/image/12240454/photo-image-face-person-public-domainFree Image from public domain licenseWoman using a damp sponge to clean dust collected on a window sill. Original image sourced from US Government department:… https://www.rawpixel.com/image/2282400/free-photo-image-cleaning-clean-windowFree Image from public domain licenseSuit includes helmet with praying mantis maedate (forecrest), menpo (face mask), torso covering, pair of front shoulder… https://www.rawpixel.com/image/7637040/photo-image-face-art-vintageFree Image from public domain licenseWEST POINT, New York (Dec. 12, 2020) The United States Naval Academy Midshipmen face off against the U.S. Army Black Knights… https://www.rawpixel.com/image/3394668/free-photo-image-covid-photos-america-americanFree Image from public domain licenseMelanesian mask from New Ireland (1912 - 1926) by James McDonald. https://www.rawpixel.com/image/13029969/melanesian-mask-from-new-ireland-1912-1926-james-mcdonaldFree Image from public domain license The Dorothy character and a "munchkin" at the Oz Museum in Wamego, a small town near Manhattan… https://www.rawpixel.com/image/8041996/photo-image-face-flower-plantFree Image from public domain licenseWhite-Faced Female Ceremonial Mask for the Giant Puppet Dance (Barong Landung Jero Luh) https://www.rawpixel.com/image/8883979/photo-image-art-public-domain-maskFree Image from public domain licenseWoman treating a patient in an intensive care unit aboard the hospital ship USNS Mercy (T-AH 19). (U.S. Navy photo by Mass… https://www.rawpixel.com/image/3393848/free-photo-image-asian-american-breedenFree Image from public domain licenseBlack Student Welders Work In A Machine Shop Course Taught At The Chicago Opportunities Industrialization Center, 10/1973.… https://www.rawpixel.com/image/8765740/photo-image-face-vintage-personFree Image from public domain licenseA U.S. Air Force Airman with the 108th Wing, New Jersey Air National Guard, prepares to take a nasal swab of a New Jersey… https://www.rawpixel.com/image/4031793/photo-image-face-mask-coronavirusFree Image from public domain licenseBlack-Faced Male Ceremonial Mask for the Giant Puppet Dance (Barong Landung Jero Gede) https://www.rawpixel.com/image/8883651/photo-image-art-public-domain-maskFree Image from public domain licenseU.S. Army Pfc. Erick S. Alulema, combat medic specialist, Headquarters and Headquarters Troop, 102nd Cavalry Regiment, New… https://www.rawpixel.com/image/4031772/photo-image-face-mask-covidFree Image from public domain licenseU.S. Army Pfc. Erick S. Alulema, combat medic specialist, Headquarters and Headquarters Troop, 102nd Cavalry Regiment, New… https://www.rawpixel.com/image/4031776/photo-image-face-mask-covidFree Image from public domain licenseovoid face with pointed chin; sloping forehead; coffee bean eyes; long, pointed nose; ovoid mouth; white pigment overall.… https://www.rawpixel.com/image/7655638/photo-image-face-vintage-artFree Image from public domain licensesmiling face with slightly open mouth, flat nose and openwork hairstyle with two buns; protruding ears. Original from the… https://www.rawpixel.com/image/7655592/photo-image-face-vintage-artFree Image from public domain licenseTabwa Mask, colored glass beads, feathers, cloth raffia and skin, Zambia late XIX-early XXc.. Original from the Minneapolis… https://www.rawpixel.com/image/7654189/photo-image-face-vintage-artFree Image from public domain licenseProduction. Zinc. The operator of a zinc ore leader at a large smelting plant is protected against harmful dust by a mask.… https://www.rawpixel.com/image/12240056/photo-image-face-plant-personFree Image from public domain license One of several Thanksgiving-season pumpkin characters makes an appearance on the street in… https://www.rawpixel.com/image/8043030/photo-image-cartoon-plant-treeFree Image from public domain licenseMummy Board of the Chantress of Amun-Re Henettawy, Third Intermediate Period (ca. 1000–945 B.C.) https://www.rawpixel.com/image/9186163/photo-image-africa-egypt-1000Free Image from public domain license Quirky and colorful decorations (more like miniature attractions) inside Billy Frogg's Lilly Pad… https://www.rawpixel.com/image/8070403/photo-image-cartoon-face-personFree Image from public domain licenseWEST POINT, New York (Dec. 12, 2020) United States Naval Academy midshipmen march on the field before the Army-Navy football… https://www.rawpixel.com/image/3394673/free-photo-image-america-american-footballFree Image from public domain licenseOperation at Provident Hospital on South Side of Chicago, Illinois (1941) vintage photograph. Original public domain image… https://www.rawpixel.com/image/9759032/photo-image-art-face-mask-vintageFree Image from public domain licenseA Soldier with the 508th Military Police Company, New Jersey National Guard stands at attention after arriving near the… https://www.rawpixel.com/image/3578277/free-photo-image-508th-military-police-american-armyFree Image from public domain licenseModerna COVID-19 vaccinations continue for South Carolina National Guard personnel https://www.rawpixel.com/image/4040310/photo-image-face-mask-public-domain-blackFree Image from public domain licenseYellow fever: two scientists wearing face masks at work in a laboratory. Photograph, 1910/1930 . https://www.rawpixel.com/image/13952598/photo-image-face-person-hospitalFree Image from public domain licensehuman face with long ears; open mouth with teeth; red linear designs. Original from the Minneapolis Institute of Art. https://www.rawpixel.com/image/7654998/photo-image-face-vintage-artFree Image from public domain licensewood form of cat face covered overall in multicolored beads; yellow ground. Original from the Minneapolis Institute of Art. https://www.rawpixel.com/image/7655256/photo-image-face-vintage-artFree Image from public domain licenseCOVID-19 Triage Testing surges at Naval Hospital Bremerton. Original public domain image from Flickr https://www.rawpixel.com/image/9647987/photo-image-face-person-medicineFree Image from public domain licenseSome of the patients who had turned up at De Martini Hospital in Mogadishu seeking medical care on 21 June 2020. Original… https://www.rawpixel.com/image/4052332/photo-image-face-mask-covid19Free Image from public domain licensePOCI Caucus Press Conference. Original public domain image from Flickr https://www.rawpixel.com/image/4045968/photo-image-face-mask-public-domain-artFree Image from public domain licenseA 'Yebichai Sweat' Navajo medicine ceremony: three Navajos in ceremonial dress with faces masked. Photograph by Edward S.… https://www.rawpixel.com/image/13956981/photo-image-horse-faces-personFree Image from public domain license201029-M-AF005-1154 Japan Ground Self Defense Force Sgt. Daisuke Tabata, a medical sergeant with Medical Unit, 15th… https://www.rawpixel.com/image/3393862/free-photo-image-defense-medic-army-15th-brigadeFree Image from public domain license201223-A-XX639-1002 U.S. Navy Lt. j.g Dylan Maxwell, a critical care nurse with the Rural Rapid Response Team, adjusts a… https://www.rawpixel.com/image/3393851/free-photo-image-covid-patient-medical-care-face-mask-arnorthFree Image from public domain licenseMask of a monster like animal (t'ao-tieh); carved interrupted outline; incised double line on both sides, detailed features… https://www.rawpixel.com/image/7656519/photo-image-face-vintage-artFree Image from public domain licenseA U.S. Air Force Airman with the 108th Wing, New Jersey Air National Guard, prepares to take a nasal swab of a New Jersey… https://www.rawpixel.com/image/4031787/photo-image-face-mask-coronavirusFree Image from public domain licenseUS army wearing chemical mask. Original public domain image from Flickr https://www.rawpixel.com/image/3577695/free-photo-image-2015-tec-best-warrior-416th-tec-469thFree Image from public domain licensewhite tin glazed wall pocket with molded relief mask; faces at top center and at point on bottom; vines around face at top;… https://www.rawpixel.com/image/7656266/photo-image-face-vintage-artFree Image from public domain licenseCOVID Testing220102-N-YS140-002Fort Pickett, Va. (Jan. 02, 2022) Bobbie Toliver from Rhino Medical Services conducts COVID… https://www.rawpixel.com/image/9647984/photo-image-face-person-maskFree Image from public domain licenseSurvey of Damages from Minneapolis Unrest. Original public domain image from Flickr https://www.rawpixel.com/image/4046001/photo-image-face-mask-phone-public-domainFree Image from public domain licenseLong-case Musical Clock by Jean François Dominicé, Michel Stollenwerck, Alexandre Jean Oppenordt, Gilles Marie Oppenord… https://www.rawpixel.com/image/14264729/photo-image-white-background-person-goldFree Image from public domain license