

2. Metallic Support for Excavation Safety These steel structures provide rigid and reliable support, ensuring immediate stability at the tunnel face by aligning with the excavation line. Contact us: PROMINE PERU Phone: (511) - 7584483 Mobile: 968712557 - 992022313 - 987212054 E-mail: sales@promineperu.com LIMA - PERU www.promineperu.com
