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yuvarlak boruyu üç yönde 90 derece kesmenin sırrını çok az kişi bilir
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Best 10 Ideas For Tube Cutting and Joints
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ГЛАВНЫЙ СЕКРЕТ СВАРЩИКОВ! (старинная тайна)
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poucos soldadores sabem dobrar tubos sem ferramentas de dobra
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How to NOTCH 90° and 45° ROUND TUBE | Pinoy Welding Lesson Part 15 | Step by Step Tutorial
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great idea ! pipe secrets that not everyone knows! practice what you learn
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Cách nối ống tròn với sắt hộp không cùng kích thước ! Secret Pipe cutting tricks ( part 4 )
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