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New From Keith Olbermann: This Russian Obsession Shows How Trump Will Be Undone

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Birth Control Works1/10/2017 10:09:54 am PST

re: #315 wrenchwench

What minuscule amount I know is the difference between concrete and cement, and even that is up for question, because the info came from my dad who did the advertising and marketing for concrete mixers (and other equipment). His kind of info sharing resulted in my older brother commencing his smartass-hood by correcting a guy who pointed out a machine to a three year old saying, ‘Look! A steam shovel!’ and having the mini-smartass reply, ‘That’s a power shovel, not a steam shovel.’ (Mike Mulligan and His Steam Shovel was all over Captain Kangaroo at the time.)

cement is an ingredient in concrete

bbl