In September the highest growth in prices corresponded to raw materials consumed by Metal piping (3.4%), Iron and Steel (3.3%), Paint and varnishes (1.7%) and Glass (1.2%) among others. On the other hand, prices of raw materials fell for Oil by-products (-10.0%), Electric energy (-4.0%), Asphalt products (3.0%), and Explosives and gases (1.2%), among others.
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