Answer:
Here are five important tips for preventing cross-contamination in your operation.
Implement a personal hygiene program. ...
Remind employees to wash their hands. ...
Use separate equipment. ...
Clean and sanitize all work surfaces. ...
Purchase prepared food.
Explanation:
(copied from Google)
false, swimming pools are a breeding place for bacteria
A it’s not needed and dat should be gotten rid of
They can be found naturally in earth