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A drain cleaner, also known as drain opener, refers to a person, device, or product used to unblock sewer pipes or clear clogged wastewater drains.This term typically applies to chemical, enzymatic, or mechanical tools such as commercial chemical cleaners, plumber’s snakes, drain augers, bio-enzyme solutions, or toilet plungers.
Alkaline drain openers primarily contain sodium hydroxide (lye) and some may contain potassium hydroxide. They may appear in liquid or solid form. Solid formulations of corrosive alkaline drain cleaners are composed of a caustic substance (often sodium hydroxide or potassium hydroxide), aluminum particles, and 'additives.'
PMG manholes in a city street, Perth, Western Australia Manhole being used to access sewer Installation of a fiber-optic manhole in Brooklyn, New York An uncovered manhole in Beirut, Lebanon. A manhole (utility hole, maintenance hole, [1] or sewer hole) is an opening to a confined space such as a shaft, utility vault, or large vessel.
A round manhole and its cover. 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.
Police found her car parked just 20 feet from the manhole-sized opening; her 5-year-old granddaughter was found safe inside the vehicle. By Wednesday, two days since she disappeared, the rescue ...
The body of 66-year-old Teresa Gonzales was discovered on Oct. 25, around nine and a half miles away from where she fell through an open manhole cover on Oct. 22, according to her daughter Cynthia ...
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