Apparatus for use in drilling and hot tapping, namely, drills and drilling machines for drilling a connection to existing piping or pressure vessels without interrupting or emptying of that section of pipe or vessel; drilling machines used for hot tapping and installation of new utility connections to existing utility infrastructure
MachineryDrilling connections to existing piping or pressure vessels without the interrupting or emptying of that section of pipe or vessel, hot tapping drilling, drilling and installation of new utility connections to existing utility infrastructure
Building Construction and Repair