A challenge to be met by the present invention is to provide a screen printer arranged so as to be able to readily perform both replacement of squeegees and operation for filling a paste feed syringe with paste. Any number of attributes of items in a database being searched may be synthesized into a uniquely suitable ordering that brings relevant and authoritative results to the top of the list whenever such results exist in the database. The invention further relates to genetic complements of plants of variety CH934079.