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section having a cross-sectional shape resembling the letter U (see: shapes; compare: U-beam), U-tähe sarnase ristlõike kujuga profiilmetall (vt profiilmetall; vrd U-tala)
U section . Materjalitehnika terminibaas. Estonian Language Institute, Sõnaveeb 2026. https://sonaveeb.ee/search/unif//mtr/U%20section/1/eng (21.08.2026)