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Gellir lawrlwytho cynnwys at ddefnydd anfasnachol, megis defnydd personol neu ar gyfer adnoddau addysgol.
Ar gyfer defnydd masnachol cysyllwch yn uniongyrchol gyda deilydd yr hawlfraint os gwelwch yn dda.
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Disgrifiad

A scanned copy of a description image of a longitudinal section through threshing machine which details how sheaves are turned into straw, grain and various other materials.

Sylwadau (0)

Rhaid mewngofnodi i bostio sylw