An indicator can become contaminated through exposure to environmental sources, improper handling, or contact with contaminated surfaces or materials. This can include inadequate sterilization practices, cross-contamination from other substances or samples, or exposure to air, water, or surfaces that contain contaminants.
no. as with anything in a contaminated area its surfacemay become contaminated, but this can and should be washed off.
Normally prawns would not, but it depends on the environment where the prawns were raised. If their environment is contaminated with something then they will also become contaminated.
24 hrs
It will become orange because CO2 is an acid
This region become a radioactive contaminated area.
They can be contaminated by the chicken if the chicken has pathogens.
no. as with anything in a contaminated area its surfacemay become contaminated, but this can and should be washed off.
Everyone will become sick.
I think all of these can become contaminated dy disease
Food utensils become contaminated when pathogens are transferred to its surface. This will happen when the utensils are not washed thoroughly, or someone with dirty hands touches them.
Water becomes contaminated by people throwing trash on the ground and it ends up in the ground water.
24 hours
Normally prawns would not, but it depends on the environment where the prawns were raised. If their environment is contaminated with something then they will also become contaminated.
If you become contaminated with chemical agents, you should decontaminate by following specific procedures depending on the type of chemical involved. This may include removing contaminated clothing, washing with soap and water, and seeking medical attention if necessary. Prompt decontamination is crucial to minimize harm from chemical exposure.
Packaged food can become contaminated through poor production practices, packaging failure or mishandling anywhere along the production-distribution-consumer route.
Food sources of transmission are: contaminated milk, ice cream, vegetables and other foods which often cause epidemics.
24 hrs