These three ingredients should be placed in areas where cockroaches are most often appear next to a small bowl filled with water.
Destruction mechanism is simple and ingenious:
1. Sweet powder (in this recipe Dzhendzhiry ouvaltin) attracts insects.
2. Rice powder causes thirsty cockroaches, and they run to the bowl with water.
3. Then comes the turn of cement powder - as soon as it combines with water, it hardens and cockroaches end.
In contrast to the now widely used pesticides, prescription schoolgirl completely safe for humans and the environment.