A miniature pressure sensor assembly is provided for fitting within the valve stem of a vehicle tire. The waiting tray is provided in the middle of a conveying path and makes standby sheets in the case where a post-process is required. A focused traction force mechanism is attached to the frame structure for applying a predetermined amount of focused traction pressure directly to a selected location along the spine of the person who is in the vertical traction position. The cover member, the plurality of plates, and the flow passage unit define a closed space, and the driver IC is disposed within the closed space. This applicator assembly is especially useful for applying lotion to the skin of a person without any lotion or with minimal lotion coming into contact with a person’s hands.