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la rueda,construcciones en piedra ,polis griega,avances militares
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papel,imprenta,gafas,pólvora
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Microscopio,termómetro,maquina de vapor,pararrayos,galeón
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Teléfono,electricidad, automóvil ,avión
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Radio tv,electrodomésticos,robots e inteligencia artificial
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.