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| The final bit of preparation for No.401's annual cold exam was carried out today. This has involved laying all the components for inspection out on the bench and stripping the safety valves. In this photo, Michael makes a start stripping the first safety valve |
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| Meanwhile, Steve strips the second safety valve and begins cleaning up the various components |
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| Items for inspection laid out, including washout plugs, fusible plugs, mud-hole doors, safety valves, gauge glasses, and pressure gauge |
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