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These models are at risk of cracks, corrosion, and use due to ageing and harsh operational environments. Over 80% of kit failures stem from tube destruction within just heat exchangers, posing important safety pitfalls.매년 고객 만족???�상, 매출 증�?, ?�규 고객 ?�치 ?�의 목표�??�정?�여 ?��? ?�성?�기 ?�