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Fuego, viento, agua y fuerza de los animales, pero de forma rudimentaria -
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Carbón -
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Petróleo, gas y electricidad -
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Nuclear, eólica, solar, hidroeléctrica...
Plan projects on a visual timeline
Map milestones, phases, deadlines, and key events in one place so the sequence is easier to see and share. Timetoast is a timeline maker for work, school, research, and stories.