Sandminer

This topic might have a better name.

Storm Mine

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Storm Mines, commonly known as sandminers, were vehicles used to mine and process valuable minerals.

The sandminer Storm Mine 4 in a desert. (TV: The Robots of Death)

You may be looking for the audio story Storm Mine or the stage play.

They had small crews and Dum and Voc robots. Storm Mine 4 was one such vehicle. (TV: The Robots of Death)