>
> They look like heat exchangers of some sort, but note in number 8, they are
> connected to the structural supports, not the pipeline. Don't know why.
>
The pipe, even though it is insulated, is quite warm. The heat exchangers on
the supports may be a means of shedding any heat transference before it gets
down to the ground. This would be especially important in the tundra, eh?
AG
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