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ELECTRICIDAD – Instalaciones eléctricas Diagrame y ejecute proyectos profesionales Presentamos el tercer tomo de la colección Electricidad, que complementa y finaliza el recorrido que iniciamos en Electricidad 1: fundamentos y seguridad, continuamos en Electricidad 2: elementos eléctricos y normalización. Esta última entrega reúne una serie de recomendaciones que es necesario considerar para crear el proyecto de instalación que acompañará un trabajo de electrificación. Por medio de una descripción detallada, abordamos temas tales como la puesta a tierra, las reglamentaciones para ...

It was September 14, 1814, and America and Great Britain were at war. Frances Scott Key watched from the deck of a British ship, where he was being held captive, as cannons exploded around them. After 25 hours, the fighting ceased and Key peered through the clearing smoke, looking for some sign as to the outcome of the battle. Was the American flag still flying? His wartime experience inspired Key to write a poem, which was later set to music and became America’s national anthem. This book tells the story of the inspiration behind our national anthem, which helped transform the flag into a...

Los Cuadernos Everest de Lengua son un excelente apoyo para trabajar los contenidos abordados en el área de Lengua.

Read Along or Enhanced eBook: Jane Goodall had a passion to learn about animals. Readers will learn all about her adventurous life among chimpanzees and other primates in this inspiring, Spanish-translated nonfiction biographical title. Children will be fascinated by the vibrant images, stimulating facts, and accessible glossary that will assist in vocabulary improvement.