roduction process is shown in the figure above. The drilling operation occurs arately from, and simultaneously with the savying and sanding operations. ding starts when both drilling and sanding operations have been completed. r welding, a product needs to go through only one of the three assembly ations $($the operations are in parallel, where parallel lines perform the exact same ation$).$ Considering the process times, specify the bottleneck$($s$).$

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