Talk:Beck tunnel boring machine
Add topicProvenance[edit source]
I wrote the initial drafts of the Wikipedia articles, and I ported those first three revisions. Geo Swan (talk) 02:53, 18 March 2025 (EDT)
I wrote the initial drafts of the Wikipedia articles, and I ported those first three revisions. Geo Swan (talk) 02:53, 18 March 2025 (EDT)