rentar a mà
Undressing the laundry
published on 11.10.2010
The perfect laundry is a challenge for physics, chemistry and for the reporters of Quèquicom, who learn the best tricks to get an immaculate clothes. How is it possible that the soap used to clean fats, is in fact obtained from fats? What is the difference between soap and detergent? How to use the bleach?

