Piquiriquitraque

Técnico electricista 16 – Curso visual y práctico Circuitos en instalaciones eléctricas En esta clase explicaremos los valores de carga y los tipos de cable usados en las líneas definidas en una instalación eléctrica. Veremos el esquema general de instalación y el circuito de alumbrado y tomacorrientes, aprenderemos el proceso de determinación de corrientes máximas para bocas de iluminación, tomacorrientes y protección. Tambien detallaremos los criterios para determinar la cantidad de bocas por circuito y veremos los circuitos de usos especiales y específicos.

What’s the difference between a seal and a sea lion? These “second cousins” of the sea look similar, but there are many ways to tell these creatures apart. From ear shape to the noises they make to communicate, seals and sea lions are amazing creatures with both shared features and many truly unique attributes. They both share an ocean habitat, but when readers take a closer look, it’s easy to discover how they each fight off predators, mate, and raise their young in different ways. Captivating full-color photographs help to bring these marvelous mammals to vivid life.

Help readers make a difference by encouraging them to learn about the various ways the environment needs our help and the things they can do to reduce their carbon footprint. Readers will learn about the effects of pollution, fossil fuels, renewable and non-renewable resources, deforestation, and recycling through interesting images and charts and informational text. This Spanish-translated nonfiction title features a glossary of terms and a list of helpful websites that encourages children to take part in helping the environment in many different ways.

Gira las ruedas, abre las ventanas y despliega las solapas para averiguar muchas cosas sobre los huertos y el cultivo de los alimentos.