Pests refer to all kinds of organisms that cause harm and harassment to human beings, including microorganisms, plants and animals. Domestication generally refers to rodents and arthropods (insects, spiders, mites).
Urban pest control, sanitary pests, garden pests, storage pests (rats), textile pests, structural pests (mainly termites).
Foreign countries have a history of nearly a hundred years. Its development is synchronized with economic development, and PCO is also developed, with a wider field, and the output value of large groups is hundreds of millions of dollars. Management is very standardized and strict. The United States is governed by the Federal Environmental Pesticide Control Act, and it is necessary to pass the exam to engage in PCO. There are * * * public * * training exams and specific types of training exams. And the specific training categories are divided into very fine categories.
Combining the needs of resisting U.S. aggression and aiding Korea with their own needs, the patriotic health campaign in China was the beginning of PCO, which has continued to this day. After 1986, this work reached a new climax with the establishment of towns without rodents and towns with rodent control standards.