한국은 석조주택 석재 공장에서 만들수 있지만?
<iframe width="1280" height="720" src="https://www.youtube.com/embed/pwpZt6v4YU4" title="11부) 600평 땅에 펜션짓기...보강토 옹벽 지지력향상" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" referrerpolicy="strict-origin-when-cross-origin" allowfullscreen></iframe>