Not long ago, it was the stuff of science fiction, but now US officials and lawmakers are grappling with a new reality -- citizens having the ability to print firearms at home.
원문출처 : https://www.cnn.com/2018/07/31/us/3d-printed-plastic-guns/index.html
원문출처 : https://www.cnn.com/2018/07/31/us/3d-printed-plastic-guns/index.html