You're right. He's referring to Asphalt concrete and confusing it with the components of cement. https://en.wikipedia.org/wiki/Asphalt_concrete https://en.wikip

You're right. He's referring to Asphalt concrete and confusing it with the components of cement. https://en.wikipedia.org/wiki/Asphalt_concrete https://en.wikipedia.org/wiki/Asphalt_concrete