What do you get when to combine 430 Gaston County high-school students in a big room with 11 employers? Crystal McCabe, human resources director for Dixon Quick Coupling in the Dallas area, is hoping for a few prospects for employees for the company’s plant in the Gastonia Technology Park. Local industry, Gaston College and Gaston County Schools sponsored “Ignite Your Future: Introducing Students to Profitable Careers” Thursday that’s expected at attract close to 1,000 students to two career…