일본은 인류공헌 별로 없지 않아?
<iframe width="1070" height="1903" src="https://www.youtube.com/embed/hMqS3J_X1fk" title="How to Build an Electric Gas Lighter Circuit #highvoltage #electric #gas #lighter #creative #project" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" referrerpolicy="strict-origin-when-cross-origin" allowfullscreen></iframe>