This book is the instructor�s companion piece for 207-23
Course Number 207-23A
Gaskets & Flanges - Administrative Guide
This book is the instructor’s companion piece for 207-23 the student text. It contains the entire content of the student text, plus answers to all the questions and suggestions for the instructor. When conducting a class purchase one copy of 207-23 for each student and one copy of 207-23A for each instructor.