Hand-Off-Auto (HOA) stations are commonly used on control panels today in a variety of industries to allow. operators and maintenance personnel to override the control actions of the primary control system during abnormal. conditions or to allow equipment maintenance.
TIP sheetSKIMMING & SCANNING. Skimming and scanning are reading techniques that use rapid eye movement and keywords to move quickly through text for slightly different purposes. Skimming is reading rapidly in order to get a general overview of the material. Scanning is reading rapidly in order to find specific facts. While skimming tells you what general information is within a section, scanning helps you locate a particular fact.
What is the purpose of a book? This is a complex question, for books have no purpose that is analogous to that of a plow or a needle. Books do many things, and also nothing at all in a practical sense-except perhaps to weight down papers and keep them from flying away.Books may serve one purpose for the writer and another for the reader-or rather one purpose for the writer and another purpose for each of the different readers who come to the text.his is not to say that the book is entirely unsuccessful: Some elements of it do work well, including the fact that this story is told in some measure as an epic story, a form of storytelling that is probably as old as humanity itself and that crosses cultural as well as historical bou...