Drainage. Find the slope of the concrete patio slab using the 1-foot ruler, level, and
Chapter 3, Problem 3.4.94(choose chapter or problem)
Drainage. Find the slope of the concrete patio slab using the 1-foot ruler, level, and 10-foot-long board shown in the illustration. (Hint: 10 feet 120 in.) 1 2 3 4 5 6 7 8 9 10 11Patio slab
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