The end of 20th century witnessed the affirmation and development of information technology as well as the transformation of industrial into information. "new economy". which caused changes in people and circumstances. The role and importance of nonhuman factors was increased. https://www.bekindtopets.com/limited-stock-Original-U-S-Vietnam-War-Era-Operation-Igloo-White-Seismic-Sensor-Inert-Rocket-great-price/