Make sure the main conclusion, e.g. "The space industry is a success" is found using the following three ideas.
- Control of Body: check that the body can perform the action.
- Money: check how much money the action will cost.
- Computers: write a short algorithm for it. For example, 1. Attach the sleeping bag to a piece of wood. 2. Slide the piece of wood between two other pieces of wood, attached to a wall, with a clip on top.