EXHIBIT 2.1 SHARE EXCHANGE AGREEMENT SHARE EXCHANGE AGREEMENT (this "Agreement"), by and among HYDROGEL DESIGN SYSTEMS, INC., a Delaware corporation ("HDS") having an address at 305 Madison Avenue, Suite 4510, New York, NY 10165, NESCO INDUSTRIES,...Share Exchange Agreement • June 9th, 2004 • Nesco Industries Inc • Refuse systems • New York
