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| Local dragon |
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| In context |
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| Making a hole in the concrete for the passive ventilation: it's easier when it's just foam! |
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| Measuring up the big ventilation pipes |
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| Cutting to length |
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| Trimming the ends |
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| Trimming |
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| Pipes in place |
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| The other side of the hole in the wall: these'll be buried to condition the incoming air: te green ones worked, the big ones still need to go around the corner. |
