7 pipebursting equipment and tools, namely, internal-combustion-driven, and electrically, hydrostatically, and pneumatically powered pipe-bursting machinery and auxiliary supportive devices, namely compression-fit lining equipment, used in the installation or replacement or re-lining of all utility pipe lines, cable lines, pipe tunnels and underground utility systems; pipebursting equipment and tools, namely, semi-automatic pipe-bursting tools and auxiliary supportive devices, namely, semi-automatic compression-fit lining equipment, used in the installation or replacement or re-lining of utility pipe lines, cable lines, pipe tunnels and underground utility systems