http://andyflowers.livejournal.com/ ([identity profile] andyflowers.livejournal.com) wrote in [personal profile] strangernn 2015-10-06 02:07 pm (UTC)

Да тупо вложить внутрь трубу квадратно сечения - это ж как раз два сваренных уголка... :) Нам тут можно альтернативное НИИ Стали открывать... :)
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