According to an example, a client transmits to a server a querying request for querying number of visits of a UGC. To attain said object, a method comprising; mixing particle containing 30 to 70% by weight of water in thermoplastic resin, heating and melting said thermoplastic resin in which said particles containing water are mixed under a high pressure, releasing said high pressure to form foamed structure and cooling to solidify said foamed thermoplastic resin. The chromatic vision measurement data is compared, i. This abstract itself is not intended to limit the scope of this patent. Miller effect is also utilized in the structure in order to implement the circuit on-chip. At least one coupling disposed on the drum extends into the opening for catching a portion of a flexible conduit positioned within the opening.