These guidelines are absolutely necessary to follow to help prevent contamination from harmful germs and prevent bacteria from growing inside the pump, as one infant became sick after using a contaminated pump. (romper.com)
Use disposable plastic gloves and litter box liners to help prevent contamination. (www2.vet.cornell.edu)
Chapter 5 states that food manufacturers must take all the necessary steps to prevent contamination with metal particles or other contaminants. (sesotec.in)