A detect switch includes an insulative housing, a first, a second and a third fixed terminals, a moveable contact contactable to the third fixed terminal, an operator capable of depressing the moveable contact, an operator and an actuator. A period for the writing the upper bits is longer than a period for the writing the lower bits. The upwardly standing surface will act as a brush andor scrub or a transfer device, whereby the brush or scrub can be used to treat the surface to which a substance is to be applied, before or during the appliance of the substance. The non-separable tiles are enumerated. The hubback iron configuration thus prevents distortion of the disks, reducing HDI problems.