Less than 12 (less than 40
feet), 12 to less than 45 (40 to less than 150
feet), 45 to less than 75 (150 to less than 250 feet)
over 75 (over 250
feet), 13 (1 part 2
inch) 19. (3 of 4
inches), 25
(1-inch), 32 (1 to scrap one of four inches).
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