Lab week 0 discussion

When utilizing Stella, specifically if you have attempted the aluminum recycling model, some of you may find it difficult to create right angles from the flows (for example: flow b/w 'Products in Use' & 'Ingot Inventory' is a right angle). To create this or any other type of angle begin by dragging the flow in the initial direction you want it to go in. To change direction (i.e. right angle, etc), stop dragging flow, then click on 'cloud/fume' portion of flow (directly in front of arrow) and drag in the new, desired direction. Let me know if this is unclear.

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