A hardworking 46-year-old man cleaning a cement truck in the Bronx was killed when he got caught up in the machinery’s rotating shaft Monday afternoon, police said. Francisco Lumbreras died at the ...
I don't know who else to turn to but Ars... let's hope someone here knows what I'm talking about...<BR><BR>So I'm calculating for the stresses in a shaft that's rotating really fast (this is a problem ...
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