Factory pollution png illustration, transparent background https://www.rawpixel.com/image/9576146/png-people-illustrationView licenseA factory for earthenware, surrounded by vignettes showing the use of clay products. Lithograph by P.A. Belin and C.… https://www.rawpixel.com/image/13952228/image-cartoon-person-artFree Image from public domain licenseFactory pollution png illustration, transparent background https://www.rawpixel.com/image/9574776/png-illustration-businessView licenseSt Bartholomew's Hospital, London: patients queuing for prescriptions in the dispensary hall. Photograph, c. 1908. https://www.rawpixel.com/image/13995817/photo-image-person-art-collageFree Image from public domain license