Progress always comes from bringing together different areas of human knowledge. At least that's how I see it. You do good publications that show the relationship between science and technology. Easy to understand.
A mechanism as basic as a washing machine also shows us this that you mention.
Thank you for sharing them.
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Thanks friend @josevas217 for commenting and for your excellent contribution to the publication, our houses are equipped with any of these mechanisms or machines. Greetings.