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Ar-condicionado na cozinha exige cuidados específicos
Especialistas alertam para cuidados técnicos na instalação de ar-condicionado em cozinhas, onde o calor pode ultrapassar 45°C.
O primeiro ar-condicionado surgiu para proteger papel em gráficas em 1902
Willis Carrier inventou o sistema moderno de ar-condicionado para controlar a umidade em uma gráfica, garantindo a estabilidade do papel — e acabou mudando o mundo.
Torres de resfriamento podem formar nuvens
Estruturas úmidas liberam vapor de água quente que, em contato com o ar frio, se condensa e se torna visível no céu.