A method for generating, classifying, searching, and analyzing standardized text templates drawn from a plurality of text documents and for identifying standardized text deviations from standardized text templates. In a manufacturing environment, a non-intrusive system and method for tuning the speaker is performed by applying a reference signal and a control signal to the input of the programmable speaker. The PM material provides hop-along capability for the machine in the event of a fault condition. In use, the chalk line is manually pulled away from the apparatus to create the marking, but when the user actuates the switch, the spool automatically rewinds the chalk line. The cushion covers at least part of the extended portion of the shell body and has an opening aligned with the aperture. The shift actuator is employed to position the second and third gear reduction elements to achieve at least three overall speed ratios.