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In this video I show you a night day of measuring and grinding rails at the Bosques station on the Roca line. The GMC 16W grinding machine of Chinese origin based in Escalada is the only one in the country, arriving at the port of Buenos Aires in March 2023. It currently serves all broad gauge railway lines (ROCA, SARMIENTO, MITRE and SAN MARTÍN) and is in charge of the Track and Works Management, Heavy Track Machining Sub-management