MARTYN F. CHILLMAID / SCIENCE PHOTO LIBRARY MARTYN F. CHILLMAID / SCIENCE PHOTO LIBRARY
Eco-Balls. Contents (foreground) of ionic cleaning balls (green), or Eco-Balls, which are used in the washing machine as an environmentally-friendly alternative to washing detergent. The contents are pellets consisting of mineral oxides and non-ionic surfactants, which are the cleaning agents.
Model release not required. Property release not required.