___________ is an obstruction in the bed of a stream in order to make the water flow into a nearby channel.

A canal must be aligned along the ___________ for optimum utilization.

Which type of cement has a final setting time of 30 minutes?

What is percolation coefficient?

In which method of calculating the runoff consumption is the estimation of the rain water absorbed by the soil carried out?

What is the value of the angle of intersection of a contour and a ridge line?

What does "grade" mean in the context of mobile homes?

What is the final surface of the earth adjacent to the mobile home called?

What is the definition of "Grade, Existing"?

What is the purpose of a gas service line?

What is the primary purpose of a gas service line?