The straps also provide an easy go/no-go means of determining the presence or absence of the beam stop material, assuming that the operator has assembled the beam stop material in position when attaching the straps. The controller is arranged to respond to the type of signal generated by sensor assembly The best mode of practicing the invention utilizes elastomeric straps such as neoprene or polyester straps. The method finds particular use in turbine airfoil manufacturing, in which the expensive workpiece is in the form of a turbine airfoil. While the primary purpose of the beam stop material is to prevent back wall strikes and to absorb reflections from the laser beam, or at least sufficient amounts of energy so as to render the reflected beam ineffective, the beam stop material provides the added advantage of protecting the surfaces adjacent to the preselected locations at which preselected operations are to be performed from molten material spattered or ejected from the location undergoing the laser operations. Beam stop material can be any suitable material that can be used to absorb sufficient energy from the laser beam so as to render the laser beam ineffective as an energy source capable of performing an operation on a workpiece. Other features and advantages of the present invention will be apparent from the following more detailed description of the preferred embodiment, taken in conjunction with the accompanying drawings which illustrate, by way of example, the principles of the invention.FIG. In the modem manufacturing environment, this equipment is used with increasing frequency in situations in which precision is required and speed is important. That is similar to a laser. A turbine airfoil While the preferred embodiment described above is the best mode currently used to practice the invention, it will be understood by those skilled in the art that there are many variations to the best mode that can provide an assembly that can accomplish the above described method. Whenever possible, the same reference numbers will be used throughout the figures to refer to the same parts. One of the problems with all types of the operations performed by a laser machine is the possibility of collateral damage to the regions of the article immediately adjacent to the area undergoing the operation, whether the operation is a machining operation or a welding operation. The elastomeric straps provide a quick, easy method for locking the insert in place on the workpiece and for locking the part in place on the fixture. 2 is top view of the beam stop material in position adjacent to predetermined work areas of a work piece, but not located in the fixture; FIG. The laser machine also includes a table having a motion system that moves in response to instructions from the controller. 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TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FORSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g.