Physical contaminants include any physical objects that can get into food and make it unsafe to eat. This can include things like dirt, hair, glass, and metal.
Chemical contaminants include any chemicals that can get into food and make it unsafe to eat. This can include things like pesticides, fertilizers, cleaning products, and heavy metals.
Biological contaminants include any living organisms that can get into food and make it unsafe to eat. This can include things like bacteria, viruses, fungi, and parasites.
