MILFORD — Platt Tech manufacturing students earned five trophies in CNC (computer numerical control) machining at the recent had Connecticut SkillUSA competitions. In the CNC Turning competition, Platt students Kevin Pineda, Angelo Genovisi and Mateo Vanegas swept the top three positions. Meanwhile, Jesse Pena and Anthony Pizzola captured the two top spots in CNC Milling. Graduating seniors Pena and Pineda will travel to Kansas City in June to participate in the national competition. Last year Platt Tech placed second in the nation in the national competition.