The phrase "contaminated materials" refers to things that have been exposed to dirt, germs, pollutants, or harmful substances which can make them dirty, dangerous, or unclean. Full definition
«Both of those procedures may spread contaminated materials and are considered high - risk procedures,» he said. (sciencemag.org)
Cleans and disposes of contaminated materials in all patient areas within the practices premises in accordance with OSHA requirements and practice policy. (ziprecruiter.com)
Farms with freedom of infection certificates from the screening can have the slaughter of their birds strictly supervised by the veterinary staff and policed to the sales points to avoid contact with contaminated materials. (xliveafrica.com)