Embedded Media Markers are optical-filter-like overlaid marks that can be printed on a part of a paper document that signify the existence of media associated with that part of the document. A proxy server is also coupled to at least one remote server on the Internet. The Flag Sequence identifies the beginningend of a LAPS frame. 5, M represents a group of at least two elements including at least one of Mn and Co and Ni, and 20\u2266a<100 and 50\u2266a+b+c\u2266100 when the ratios of Ni, Mn, and Co in the elements forming M are a, b, and c, respectively. The induction coil induces a current flow in the filler wire.