The A&P technician works in world of technical applications and precision measurements. The final determination for airworthiness may depend on an exact conversion from one measurement system to another. Avotek's reference handbook is filled with the charts, tables and graphs that can make the difference. Complied by technicians and formatted in a size to fit in the toolbox. With a wire spiral binding so the pages layout flat when used, this book is a must for any mechanic or AMT student.