Why Do Manholes Fly Into the Air Sometimes?

Did you know that even the most heavy duty manhole covers can explode, sending hundreds of pounds of metal skyrocketing into the air? Though it may seem strange — and it 100% is weird — there’s a perfectly rational explanation. You see, what happens when manholes explode is an explosion. Aging, corrosive chemicals, overloads, and … Read moreWhy Do Manholes Fly Into the Air Sometimes?

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