A method for determining a loading current of a circuit board is provided. The alignment tool is configured to engage a portion of the dialable component when the implant is supported by the base assembly. The composite may further include a scrim layer comprising a high temperature resistant, flexible, woven or non-woven scrim or scrim and high temperature resistant material disposed around the multilayer thermal insulation composite partially or substantially totally encapsulating the composite. The blocking member is elastic and has a flow permitting configuration which admits the body substance into the inner chamber and a flow preventing configuration which blocks the inlet from the inside of the chamber when the pressure difference has been equalized. The small portion is located within and contacts with the wick, and the large portion contacts with the inner wall of the condensing section of the casing. Density can be adjusted appropriately even though the system includes a plurality of printers.