The diagram present data about the production of frozen fish pies and steps which need to be done.
Overall, process of manufacturing frozen fish pies consists of 17 stages. Whereas, deliveries demand the biggest amount of time.
As it can be seen from the diagram, fish pie consists of peas, sauce, fish and potato. Potatoes and fresh salmon need to be delivered, delivery takes around one month and 12 hours, respectively. For potatoes, firstly, they need to be cleaned, and peeled. Secondly, sliced potato are boiled and left to chill.
Fresh salmon not only need to be salted, but also covered with lemon juice. Having done that, slices will be put in stem oven. When skins and bones had been removed inspector check them, and send a command to preparing peas, sauce, and already chilled potato. Consequently, all this are wrapped and sent to freezer, when this stage are completed product are delivered to stores.