...stallation Technology and Air Conditioning departments of Fatih Vocational and Technical High School, Tercan Vocational and Technical High School, Refahiye multi-programmed Anatolian Highschool and Erzincan Vocational Training Center. Our participants have 3 year experience in metal filing, straightening, pipe extrusion welding with oxy-gas, cutting with oxy-gas, corner welding, horizontal pipe be ...