North American Society for Trenchless Technology

Glossary of Terms
Browser Terms By Letter: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Term	Definition
Zones	Different areas in manholes and other structures which are used for defect evaluation.

Browser Terms By Letter: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z