1 Chemicals for use in the process of producing printed circuit boards, namely, resist ink in the nature of solder mask; chemicals for use in the process of producing printed circuit boards, namely, resist ink in the nature of photoresists; chemicals for ink jet printing, namely, resist ink in the nature of solder mask; chemicals for ink jet printing, namely, resist ink in the nature of photoresists; chemicals for use in the process of producing printed circuit boards, namely, solder resists; chemical preparations for use in the process of producing printed circuit boards, namely, solder mask; dilution agents for solder resists; chemicals for use in the process of producing printed circuit boards, namely, plating mask; chemicals for use in the process of producing printed circuit boards, namely, etching resist; photosensitive resists in the nature of solder mask in the form of film for use in the process of producing printed circuit boards; chemicals for use in the process of producing printed circuit boards, namely, chemical preparations for blocking light in the color of black in the form of paste for use in the process of forming of black matrix; chemicals for use in the process of producing printed circuit boards, namely, chemical preparations for blocking light; chemical coatings for use in the process of producing printed circuit boards; chemical coatings used in the manufacture of printed circuit boards; chemicals for use in the process of producing printed circuit boards, namely, chemical agents for plugging holes on printed circuit boards; heat resisting materials, namely, heat resisting unprocessed artificial resin for electronic components; chemical preparations for industrial purposes; industrial chemicals; conductive adhesives for industrial purposes; glue and adhesives for industrial purposes; chemicals for use in the process of producing printed circuit boards, namely, photoresists; chemical preparations for use in photography; resin compositions having thermal conductivity for use in the process of producing electronic components; plastics, unprocessed