Cómo funcionan las ruedas y los ejes

Electricity affects every part of our lives, but we don't always think about it. We turn the lights on every day without wondering how the electricity gets there. Electricians are the reason we don't always have to worry that the lights are going to stop working and the people we can help if they do. Electricians don't just have to use their intelligence, they also have to be good with their hands. They have to be able to work with many different people and know what to do in case of an electrical emergency. Electricians keep our world running. Instructive, colorful photographs and diagrams...

A flexible suite of resources providing full coverage of the Cambridge IGCSE® Spanish as a Foreign Language syllabus (0530) for first examination in 2015. With a skills-based approach and an international focus, this coursebook with audio CD promotes a deeper understanding of the Spanish language and culture. Engaging texts, images and audio enhance the activities in the coursebook and help students develop language skills. Exam-style questions and clear learning objectives encourage self-assessment and support students through the Cambridge IGCSE® Spanish as a Foreign Language course.

Alexander Graham Bell was always trying to invent new things! In this biography that has been translated into Spanish, readers will learn about Alexander's life as a teacher and inventor of such incredible inventions as the telephone, record player, and metal detector. Colorful images, supportive text, an interesting timeline, and a helpful glossary, table of contents, and index combine to give readers an inspiring look into the life of Alexander Bell.

Atraer, formar y retener el talento se ha convertido en un proceso trascendental del mundo empresarial moderno, llegando a tomar incluso tintes de una guerra por preservar a los individuos más capaces y talentosos en las filas de las firmas, corporaciones y organizaciones.A través de las páginas de esta obra se pondrán de relieve aspectos esenciales del talento, y se abordarán estrategias para su atracción, formación y retención. A la par, conocerás elementos como la importancia del retorno de inversión en capacitación, sugerencias efectivas de reclutamiento y atractivas formas de...