What does HLSS stand for?
HLSS stands for "High Level Storm Sewer"
How to abbreviate "High Level Storm Sewer"?
"High Level Storm Sewer" can be abbreviated as HLSS
What is the meaning of HLSS abbreviation?
The meaning of HLSS abbreviation is "High Level Storm Sewer"
What does HLSS mean?
HLSS as abbreviation means "High Level Storm Sewer"
