A plurality of color-coded lockbox tags that attach to a lockbox and visibly communicate a corresponding plurality of showing instructions relative to the lockbox. A actuator actuates the support to move the tool, and a sensor measures a magnitude and an orientation of force upon the force being applied to the tool. Prior to developing the first photoresist layer, a second photoresist layer is formed over the first photoresist layer, and wherein at least one of the first photoresist layer and second photoresist layer comprises a photo base generator. The sequence of vectors are input into a classifier which determines existence of signal patterns indicative of any cardiac syndromes in the subject.