Usages of kallioperä
Lämpötila nousee sitä mukaa kun louhimme kallioperää.
The temperature rises as we excavate the bedrock.
Sitä mukaa kun olimme kairanneet kallioperää, melu oli pahentunut.
As we had drilled the bedrock, the noise had worsened.
Sitä mukaa kun olimme louhineet alas, kallioperä oli muuttunut kovemmaksi.
As we had excavated downwards, the bedrock had become harder.
Sortumisvaara kasvaa sitä mukaa kun kallioperä heikentyy.
The risk of collapse grows as the bedrock weakens.
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