https://www.proz.com/personal-glossaries/entry/34838975-by-laser-cutting-metal-tubes-%D0%BC%D0%B5%D1%82%D0%BE%D0%B4-%D0%BB%D0%B0%D0%B7%D0%B5%D1%80%D0%BD%D0%BE%D0%B9-%D1%80%D0%B5%D0%B7%D0%BA%D0%B8-%D0%BC%D0%B5%D1%82%D0%B0%D0%BB%D0%BB%D0%B8%D1%87%D0%B5%D1%81%D0%BA%D0%B8%D1%85-%D1%82%D1%80%D1%83%D0%B1%D0%BE%D0%BA