It is dangerous to clean well remaining closed for a long time, why?
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● It is really dangerous to clean well remaining closed for a long time because large percentage of accumulation of carbon dioxide takes place in a closed well.
● Because of the accumulation of high percentage of carbon dioxide when a person enters into the closed well for a long time it becomes harder for the person to breathe in and hence may lead to death.
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Because of the accumulation of high percentage of carbon dioxide when a person enters into the closed well for a long time it becomes harder for the person to breathe in and hence may lead to death.
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