o que sea

El barco
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grado
7_4
Colegio cofrem
Historia de barco






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Un barco es una construcción de metal, madera, hormigón u otro material que, por ser fusiforme y cóncavo, flota en el agua. Por medio de esta construcción se puede navegar, por loque se las utiliza como medio de trasporte. Existen numerosos tipos de barcos, de acurdo a su forma y función. Algunos de ellos son:

Petrolero: estos barcos se utilizan para transportar elpetróleo crudo desde los puertos de aquellos países que producen lo producen o desde las plataformas hasta las refinerías. Los petroleros son los barcos de mayor tamaño, se los llegó a construir con un largode 400 metros, aunque actualmente estas dimensiones han sido reducidas por la rentabilidad y la flexibilidad para transportarlos que esto trae. En su eje central y en toda la cubierta se encuentranlas tuberías de carga y descarga de crudo, es por esto que son muy fáciles de identificar. Además, no cuentan con finos marcados en la proa y popa, sino que son cajones de gran tamaño. Estos barcoscuentan con dos grúas ubicadas



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