Inside and or outside leaders
building dams and drainage channels
One is storm water drainage used for clear water and the other is sanitary used for gray and black water drainage
A list can contain any number of items, including no items (an empty list).
THREE things are Drainage, Waste and Venting
Better air flow, less chance of stoppages quietier systems
There are lots of possible answers,A drainage basinA watershedA drainage systemDendritic drainage patternTrellis drainage patternParallel drainage patternRectangular drainage patternRadial drainage patternAnnular drainage patternDiscordant drainage patternA spring headTributariesConfluencesA river system
a drainage divide
There are many roof types. Two of the most common are gable roof, hip roof and variations thereof.
a drainage basin Re-do your sentence. It is missing a word or something.
A drainage basin is simply an area between two ridges from which water drains as a stream or river. A small creek has its own drainage basin. The drainage basin of the Mississippi River includes everything between the Rocky Mountains and the Adirondacks.
That is a hip roof.
A roof with two slopes and gables at each end is commonly referred to as simply, a gable roof.
A roof with only two sloping surfaces and gables at each end is called a gable roof.
Connecting tubes are used for putting together external drainage catheters. These are also used for connecting two drainage pouches.
I have to give three reasons for carryng out pipe drainage on two sides of a concrete patio
The Colorado, and Green River!
building dams and drainage channels