A method of measuring a thickness of a ball bonded to a pad is disclosed. The linear actuator further comprises a first nut member provided with a right hand thread and a second nut member provided with a left hand thread. The method also involves selecting at least one size reduction factor to reduce a combined total area of the FPDSW to fit within a viewing area provided by SDS. Further, this apparatus includes an adhesive applicator positioned to apply adhesive to one side of the sheets to produce labels; and a roll apparatus maintaining a continuous supply roll of backing media.