Pro0dvm goose necks and wings, Ukraine

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Once upon a time, TsAGI made a new plane. Conducting tests - wings
fall off directly with the "meat" so to speak. They are still conducting tests, again from the pipe.
the wings are taken out separately. They decided to invite some other designer.(//tractor-service.com)
A new designer arrived, listened, looked, took a drill and drilled a hole in
body right around the wings. They ask him, what do you think of this wing?
They won't fall off, will they? An experienced scientist answers:
- Gentlemen, have you ever seen that our toilet paper is even?
holes came off?