Cool Science: How do cold packs work? 0 17.01.2018 16:42 Global Edmonton Chemistry teacher Michael Ng joined Mike Sobel to explain the science behind cold packs used for aches and pains and keeping food cool. Партнёры Smi24.net Все новости за 24 часа Музыкальные новости Агрегатор новостей 24СМИ
