dirty air or water, pollution, smoke from vehicles, exhaust, power cell that stores electricity, battery, use again instead of throwing away, recycle, trash, garbage, rubbish, waste, man-made material (bottles, bags), plastic, very small bits of dirt, dust, people who help for free, volunteer, barrier, wall, fence, fill again, top-up, refill

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AI Enhanced: Aquesta activitat conté contingut generat per IA. Aprèn més.

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