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During the month of March the highest increases took place in consumed raw materials of Petroleum Derivates (4.6%), Asphalt Products (4.0%), Iron and Steel (3.1%), Metal Hardware Articles (2.4%) and Glass (1.6%), among others. On the other hand, prices decreased in raw materials related to Lime, Gypsum and Plaster (-1.7%), Structures and Coppersmithing (-1.0%), Explosives and Gasses (-0.2%) and Tar Sands (-0.1%), among others.
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