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	bibo:abstract "PT. XYZ is a company engaged in the production of Ground Granulated Blast Furnace Slag, experienced a discrepancy of around 10% in production results that were not always proportional to the level of raw material usage. This study aims to measure the productivity level of the Operations Department of PT. XYZ and provide appropriate recommendations for improvement. Measurements using the OMAX method conducted over a 12-month period showed periods of increased performance index, namely March at 57%, April at 25%, May at 77%, June at 12%, July at 32%, August at 103%, September at 73%, and October at 163%. Meanwhile, the periods that experienced a decline in the performance index were January at -28%, February at -37%, November at -27%, and December at -48%. The measurement results are visualized using the Traffic Light System to produce the main priority for improvement, namely the ratio of production output to operating time. Fishbone Diagram analysis determines the root causes of the problem, namely the absence of a monitoring schedule procedure, inconsistent machine maintenance schedules, old machine age, the absence of a production target reporting meeting procedure, the unavailability of material size separation tools, and the unavailability of earplugs for operators. The 5W+1H method provides recommendations for improvement, namely performing machine maintenance twice a month, replacing components in old machines, creating inspection and monthly meeting procedures, and providing raw material size separation tools and earplugs."^^xsd:string;
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