Mechanical force placed on a Z-axis.

Correct positioning of Z-axis components.

Conductive strap providing electrical grounding.

Reference object used for Z-axis calibration.

Maximum supported moving mass.

Accuracy of right-angle relationships involving Z.

Wire connecting Z-axis hardware to ground.

Defined point used as a Z-axis reference.

Proportion of time a Z-axis operates.

Accuracy of linear Z-axis travel.