If you met to say how do you prevent a food from getting contaminated, well you should always make sure that:
your food is covered.
Make sure it's not expired.
Wherever you going to put it, make sure that it's clean.
Keep it in the fridge
clean, separate, cook, chill
soil, water, and food getting contaminated by pesticides
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.
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.
To prevent spreading illness through contaminated food.
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no, gum on the wall doesn't cause food to be contaminated. food being left out to long at room temperature such as raw uncooked chicken makes food become contaminated.
People have to consume contaminated food in order to get food poisoning.
Foods become contaminated with enteric organisms when biological waste such as feces is allowed to be mixed during the slaughter of animals. It is also possible that food is contaminated by people handling food after bathroom visits without washing their hands thoroughly.
wipe off the boots and air-dry within two minutes to prevent deteriration
After you eat the contaminated food
wipe off the boots and air-dry within two minutes to prevent deteriration