discussed Cited "see, e.g." Allen D. Johnson v. John Deere Company, a Division of Deere & Company, a Corporation, and Third Party v. William Ivan Johnson, Third Party Johnson’s main problem with the phrase appears to be with “substantial;” however, this word is found throughout the law and is clearly within the understanding of the ordinary person. 511 Detroit St, Inc. v. Kelley, 807 F.2d 1293 , 1296 (6th Cir.1986), cert. denied, 482 U.S. 928 , 107 S.Ct. 3211 , 96 L.Ed.2d 698 (1987); see also United States v. Clark, 912 F.2d 1087, 1090 (9th Cir.1990) (holding that “substantial portion” was not unconstitutionally vague because the words were “of sufficient clarity and common usage”), cert. denied, — U.S. -, 111 S.Ct. 705 , 112 L.Ed.2d 695 (19…