Northern Nevada manufacturers say education, education, education much as real estate agents say location, location, location. That education-and-training message was trumpeted when a panel of area manufacturers and the moderator made it the centerpiece of their dialogue Wednesday. They did so at a breakfast meeting of Nevada Business Connections, a private economic development organization, in the Gold Dust West Casino. “The biggest challenge for us is an educated work force,” said Ralph Johnson of Carson City’s EZE-LAP Diamond Products. The firm, which makes blade-sharpening devices, has 16 employees on Arrowhead Drive and boasts double-digit growth in recent years, Johnson said. …