The book is structured for anyone working in with electrical systems in industry. The material is particularly designed for individuals that encounter electrical systems, but electrical is not their primary area. This includes engineers, technicians, mechanics, and supervisors. In addition, there is enough technical information that electricians and electrical engineers will benefit from the material, discussions, and interactions with users. At the completion of the book, the participant will understand the components of and know how to size a complete electrical installation including the...

Essential oils have been used as long as recorded history. What do you know about this phenomenal plant substance? For what are essential oils used? The oils are common components of food flavorings, additives, and spices. The oils are used as cleaners, disinfectants, and anti-microbial. Most medicines are derivatives of essential oil substances. Consequently, a common application of pure oil is for health, wellness, and first aid? Are you ready to learn about the religious traditions and history as well as the most modern science? The book is structured as a study guide, whether used...