Answer:
Cut the moldy area away and throw it out because it old and if anything was by it throw it out too.
The moldy area is generated due to the moisture or the conditions of atmosphere where the food has been kept.
This is a green decay or fungus on the surface of food which have the tendency to spread.
The food vendor on finding that their is a small moldy area on the brick of cheese can slice down the rotten or moldy area from the brick of cheese.
The reason for slicing the moldy area is to prevent the whole brick from getting molded.
Therefore , a food handler upon discovering a small moldy area on a brick of cheese can slice the moldy part away.
Learn more about moldiness here:
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