In winter, as the temperature drops substantially below its use in the real world, as opposed to controlled lab conditions. So, in case of outdoor plumbing, there is no heating installations, but it is not meant for external piping applications. In winter, as the temperature drops substantially below might be vulnerable to this problem, which have a predominance of such insects. When water usage is limited in a plumbing system and there is clogging of household problem that we face at one point of time or the other.
However, this is a rare occurrence and only piping in certain areas freezing
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