It's the same as staircase. Construction or structure that allows you to communicate various levels or heights. Element built with two slats or ropes and several steps or steps that allows you to climb or climb heights. Element used for scaling . In Colombia ladder in a type of vehicle, bus or truck that serves to transport cargo and passengers. We also call it mixed bus, simply mixed or chiva. It is widely used in rural regions and in places where peasant or indigenous communities prevail.