" In Spring 1999, the water-based insect buster called Household Insecticide (HI) won Gonzalo Catan Jr. the Silver Medal at the 27th International Exhibition of Inventions in Geneva, Switzerland. This Filipino innovation makes use of 21 useful microorganisms, among other materials, to kill flies, mosquitoes, termites, ants, roaches, as well as dog ticks, fleas and lice. "