The diagram illustrates the way in which a fish pie is produced

The diagram illustrates the way in which a fish pie is produced.
Overall, it is clear that a fish pie contains peas, fish, sauce and potatoes.(simple) The process of fish pie production involves a total of 16 steps and is divided into 2 main stages: preparation of the ingredients and manufacture of a pie.
Preparation of potato stage begins with delivering potatoes up to a month before it is used. After that, they must be washed, peeled (peelings are thrown away) and sliced. Boiled potatoes are then chilled and stored.
After the delivery car brings fresh salmon, lemon juice and salt are added. Subsequently, salted fresh salmon slices are cooked in a steam oven within 12 hours of delivery. Following that, skin of salmons is removed and bones are disposed of by workers of the factory, and a specialist inspects them. In the next step, prepared peas, sauce and potatoes are added. Ready fish pies go through wrapping stage before being frozen and stored or dispatched.