There was such a story in the 4 frame manga which I read the other day.

"Why was there a "weaver machine" in the youth's house that appeared in "The Crane of Gratitude"?

Definitely.

The situation was strange that the man have had a big "weaver machine" in a single male house, occupying one room.

Even though the young mother owned himself before her life, it was very unnatural to leave a "weaver machine" with an operating rate of 0.

We can think of setting "to work for the future bride," however it is unnatural. It is rather natural that the reason of "it was troublesome to dispose".

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Beyond that, perhaps, I think that the authors of this "The Crane of Gratitude" did not understand the nature of "machine".

"Machine" is going to deteriorate remarkably unless it is used for a certain long period, and in many case, it is impossible to restart a machine weaver machine without care.

The "restarting" is difficult like that.

Many engineers try to avoid this problem to continue to operate the machine even when they do not produce any product in the production line, in fact.

They don't stop the manufacture production line, even for weekends and long holidays, and it is a waste of considerable power consumption. It has become a challenge for traditional manufacturing sites for a long time.

Well, aside from that.

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I doubt that the crane formed into a female shape, appeared in "The Crane of Gratitude",

did not care about

"showing her identity"

but

"Failure to restart and destroy the weaver machine"

"If she broke it, she want to keep time to escape secretly" and she asked the young man "Never look at this room"

The above story is acceptable for me, as a system engineer.