Separate raw food from cooked and never use the same utensils ( boards , knives , etc. . )

To prepare raw food and cooked , unless you have previously washed . In the refrigerator , get the raw food below cooked and the top shelves .

Regularly check the refrigerator temperature , which must be around 1-5 degrees . Never place hot food in the refrigerator , because the rise in temperature can lead to the multiplication of bacteria.