The present invention relates to a yoke ring for use in a deflection unit in a cathode ray tube. Primarily there is provided a method of treatment of an existing papillomavirus infection which includes the step of administration of PV VLPs selected from the group consisting of PV L1 VLPs and PV L1L2 VLPs to a patient suffering from the PV infection. By providing a control device and a rotating ring, positioning or forward moving of the cam-styled axle sleeve to connect with the second rotation axle can be controlled, so that the door can be opened or locked by rotating the handles no matter inside or outside a house. The object handles are resolved to specific file references and the specific file references are used to process legacy version control commands utilizing a legacy version control system in a manner that is transparent to the user.