Water and Wastewater Terms Beginning A
A B C D E F G H I J K L M N O P Q R S T U V W Y Z
apron
The bottom of the inside of a manhole. Also called base, bench, or shelf.
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A B C D E F G H I J K L M N O P Q R S T U V W Y Z
The bottom of the inside of a manhole. Also called base, bench, or shelf.
