This recorded commission speaking turn identifies the smallest operations through their attachment to another enterprise:
Es sind die kleinsten Betriebe, die an eine Ziegelei usw. angegliedert sind.
English translation: They are the smallest operations, which are attached to a brickworks and so on.
Lederer links small scale with organizational affiliation, using brickworks as his example. The remark contributes a narrow clarification to the coal-mining discussion; the supplied sentence does not establish a broader thesis or policy recommendation.
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