These are the synonyms of;
Food, Acid pH (A), Time, Temperature, Oxygen and Moisture.
All the first letter of each word are combine into one word which is FATTOM.
Those thing are what bacteria needs to grow.
The presence of food
The suitable acidity
The time of a food
The suitable temperature
The presence of oxygen
The moisture of food
This things are what we should keep an eye for. If we didn't keep an eye of it, food spoilage will occurs.