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artefactos de caza tallados en piedra
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jeroglificos
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descubrimiento del fuego
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teléfonos inteligentes
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computador
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primer telefono
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telescopio
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ferrocarril
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armas de fuego
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brujula
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la polea
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.