MSNBC The 11th Hour With Brian Williams September 19, 2019 06:59:00
Talk about his wall. >> i wanted them to show you the interior of parts of the wall. so you have the rebar. you have the outer crust, and you have the inside is concrete, and it'sconcrete. after the wall is up, we pour concrete. it's a very powerful concrete. the concrete, you see it right here. concrete goes into the tube. again, the concrete is poured after it's up. they pour it through funnels. a lot of technological advances have been made with concrete. if you think you're going to cut it with a blowtorch, that doesn't work because you hit concrete. i said fellas, how about doing the less...
Source: archive.org