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A manhole cover is a removable plate forming the lid over the opening of a manhole, an opening large enough for a person to pass through that is used as an access point for an underground vault or pipe. It is designed to prevent anyone or anything from falling in, and to keep out unauthorized persons and material.
January 1 – In South Boston, Massachusetts, a paper boy was killed by a flying manhole cover, 11 persons were severely injured and property damage running into thousands of dollars was entailed in a terrific gas explosion that threw 13 manhole covers into the air. When gas company employees used pickaxes to uncover the leak to repair the pipe ...
Butterworth hatches are not the main access hatches, but are the servicing hatches, and are generally closed with a metal cover plate with a gasket that is fastened to the deck by a number of bolts which stick up from the deck. Holes on the edges of the plate fit over these bolts and the cover is fastened down with nuts or dogs.
Furthermore, 43% of retirees believe their benefits will be cut in the future, while 47% of nonretired adults worry that Social Security won't be able to pay them a benefit at all once they retire.
Manhole closings are protected by a grating or manhole cover, a flat plug designed to prevent accidental or unauthorized access to the manhole. These covers are traditionally made of metal, [2] but may be constructed from precast concrete, glass reinforced plastic or other composite materials (especially where cover theft is of concern ...
A reserved exterior with a deeply emotional world, everything from Mark’s (Andrew Lincoln) loyalty toward his best friend to his unrequited love for Juliet resembles Capricorn’s pragmatism and ...
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