A beam has been placed across the underside of this stack to support it, which then sits on an internal wall to transfer the load down to the foundation.
Gallai trawst fod wedi'i osod ar draws wyneb isaf gwaelod y corn i'w gynnal, a gallai'r trawst fod yn gorwedd ar wal fewnol er mwyn trosglwyddo'r llwyth i lawr i'r sylfaen.