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Manhole Explodes At U.S. College In Terrifying Scene
A terrifying scene broke out at a major U.S. college in Texas on Wednesday evening.A manhole on the campus of Texas Tech University in Lubbock, Texas appeared to explode. Green flames were coming from ...
ABC 7 Chicago6y
manhole covers
Video shows moment after mom jumps into manhole to save 1-year-old boy 14-month-old boy falls down manhole at NJ playground, mother saves him ...
as.com3d
This is the mathematical reason why manhole covers are round
When walking down the street, you probably don’t stop to notice the manholes on the road. And if you have, you may not have realized that nearly all of them are round—or that those with other ...