31. List and briefly describe four types of gutters.
32. Use the area rule of thumb method to size gutters for an almost flat 1100 \(ft^2\) roof in Columbia, Missouri.
33. List three ways to correct having gutters that are too small.
34. Calculate the weight, in pounds, of a 3” pipe that is 12 feet long and filled with water.
35. Calculate how much lower the end (outflow) of a gutter should be than the start of the gutter for a 20-foot-long expanse using the minimum rule of thumb.