Physical, biological, chemical, and allergic contamination of food are the four different categories. These categories are described in this blog along with advice on how to stay away from them.
Physical, biological, and chemical pollution are the three categories. But for the sake of this post, we'll focus on four areas. These consist of allergy contamination, microbiological contamination, physical contamination, and chemical contamination.
Chemical, microbiological, physical, and allergic pollution are the four primary forms. All food is susceptible to these four types of contamination.
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