Match the name of the following energy systems symbols with the correct description. Note that there is only one correct match per symbol. 1. A rectangular box drawn to represent the boundaries of the system selected. 2 A flow of energy, often with a flow of materials. Storage 3 Outside inflow of energy, a forcing function. System frame 4 A compartment of energy within the system; quantity is the balance Consumer of inflows and outflows. 5. Process which combines different types of energy flows or material Interaction flows to produce an outflow in proportion to a function of their Switching action inflows. 6. Unit that collects and transforms Pathway line low quality energy under control