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el ingles richard thrvinik adapto una màquina de vapor a un carrito para arrastrar vagonetas en las minas de carbòn.Fue la primera locomotora en .,en 1985ya habia otra para trenes
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.