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Você sabia que a espuma do seu sofá nasce de uma explosão química controlada? 🧪 O que vemos é a fabricação de espuma de poliuretano . O processo ocorre através da reação entre polióis e isocianatos. Quando misturados, eles liberam gás carbônico , criando as bolhas que fazem o material expandir rapidamente — uma reação exotérmica que gera bastante calor! 🌡️ Após a cura, o bloco cilíndrico passa por uma lâmina de precisão que o "descasca" em camadas finas e contínuas, resultando nesse...
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Por que o cervo fica esfregando as próprias galhadas?
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