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6. What is the most important thing about the plates in the chimney?
- They are positively charged.
- They have the opposite charge to (nothing/grid/cylinder tube)
- They are negatively charged.
7. What is the purpose of a dust percipitator?
- It stops soot from polluting the atmosphere.
- It reduces the danger in our lives.
- Our quality of life improves.
8. What is placed in the chimney?
- A cylinder shape.
- A metal grid (or wires)
- Nothing! If anything is put in, the soot/ dust can't get out!