Sealing Devices and Materials
Each lesson concludes with a set of multiple-choice questions. Answers are not provided, however. These are basically "open-book" quizzes, so you should be able to verify your choice of responses by reviewing the text.
Much of the content of this manual is adapted from handbooks prepared by the U.S. Department of Defense. Occasional references of military specifications and protocols do not affect the principles of similar civilian work.
Copyright © David L.
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