1)유성, 수성 페인트 에 쇳가루 을 배합하여 즉 자력이 흐르는 페인트를 만드는 것이다.

摘要

The present invention is conceived on the idea that cement mixed with metal powder has magnetism unlike conventional paint and cement. Therefore, when a road is built with the cement with metal powder, a driverless car can pass more safely, the disabled can move more safely on the road, and a road name can be coded.