What factors do not cause food contamination?

Factors that do not cause food contamination include proper cooking and food handling techniques, which can eliminate harmful pathogens. Additionally, the use of clean utensils and surfaces, as well as appropriate food storage temperatures, help maintain food safety. Good hygiene practices, such as handwashing, also contribute to preventing contamination. Lastly, the inherent properties of certain food items, like their acidity or high sugar content, can inhibit the growth of harmful microorganisms.