11.   Police have raided the primitive laboratories that refine coca paste.

12.   Prices for coca paste, used to make cocaine, have fallen sharply in Colombia and Peru in response to reduced drug shipments from Colombia, police said.

13.   The added money would be aimed at improving intelligence about drug cartels, expanding fumigation of coca crops and intercepting planes and boats transporting coca paste and cocaine.

14.   The bags, which contain coca paste, are sold to drug cartel buyers, who form one long and orderly line.

15.   The customer produces one of the clear plastic bags in which people here carry around coca paste.

16.   The economy is built on coca production, and coca paste has become a main currency.

17.   The Peruvian Air Force has stopped many planes carrying coca paste to Colombia for processing.

18.   After destroying the lab, along with the chemicals and coca paste, Montoya boarded a helicopter and took off for the Tres Esquinas base.

19.   After destroying the lab, along with the chemicals and coca paste, Montoya bordered a helicopter and took off for the Tres Esquinas base.

20.   Coca paste is used as the base ingredient of cocaine.