The words you need to communicate with confidence. Vocabulary explanations and practice for advanced level (C1 to C2) learners of English. Perfect for both self-study and classroom activities.

Quickly expand your vocabulary with over 100 units of easy to understand explanations and practice exercises. Also inside the book is a code for an ebook. This is the same as the printed book, but with audio so that you can listen to new words as well as reading them.

The ebook is online for Windows and...

The electrical power supply is about to change; future generation will increasingly take place in and near local neighborhoods with diminishing reliance on distant power plants. The existing grid is not adapted for this purpose as it is largely a remnant from the 20th century. Can the grid be transformed into an intelligent and flexible grid that is future proof? This revised edition of Electrical Power System Essentials contains not only an accessible, broad and up-to-date overview of altern...