Uploaded on 2017-02-23 by Rizk ghazaly

1-labor Power 2-fuel tanks 3-guests in a hotel Those example is different examples for stock and flow, First one resemble the labor worker come from out the country as flow and stay here in the country to work so they stock here. Second one is fuel tanks which flow out of this country Saudi Arabia so its flow to stock in another country. Last option is guest coming as flow and stuck in the hotel .