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This book is an essential guide written for all students and practitioners of Reflexology. Completely revised, the new edition includes a two-colour design to further enhance its user-friendly approach. It provides extensive coverage and a balanced account of the fundamentals of practice in one readable and accessible volume.For a coil, the lines of force are like those of a bar magnet. ... Electromagnets are used in electric bells, relays. ... a) Draw a large circuit diagram of an electric bell and explain, step by step, how it works. b) Draw a wiring diagram to show howanbsp;...

Author:Vicki Pitman, Kay MacKenzie
Publisher:Nelson Thornes - 2002


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