EXHIBIT 4.3 CONSULTING AGREEMENT CONSULTING AGREEMENT as of the 8th day of October 2001, between R-Tec Technologies, Inc., a New Jersey corporation having a place of business at 37 Ironia Road, Flanders, NJ 07836 ("R-Tec") and Jack H. Halperin, Esq.,...Consulting Agreement • October 19th, 2001 • R Tec Technologies Inc • Construction - special trade contractors • New York
