WATER LEVEL CONTROL ( COMPLETE TEXT BOOK ) CHAPTER ONE From the Main source INTRODUCTION Water is the transparent odorless and nearly colorless chemical substance that is the main constituent of earth’s streams, lake and oceans. It is a universal solvent which plays an important roles our everyday life. Because water is so important to both human, animal and plant existence, there is a greater need to manage and control the use of water to avoid wastages of this God given natural resources. Both industries and in our home, water play a very important and unavoidably roles, because of this, it prompt me to do a research and try to see how we can manage and avoid this wastages by building this automatic water level control switch in which it primary function is to avoid water wastage and gives us steady and constant water for our domestic and industrial uses. 1.1 BACKGROUND OF THE STUDY The automatic level control is an electronic equipm...