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orker stands outside a concrete plant in Seo District, Incheon, on April 8. The plant has halted operations due to disruptions in the supply of asphalt raw materials as instability in sourcing continu

rude oil refining, is affected by crude supply conditions. [YONHAP] A worker stands outside a concrete plant in Seo District, Incheon, on April 8. The plant has halted operations due to dis

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