Based on the dictionary, the word “Emergency” means “a serious, unexpected, and often dangerous situation requiring immediate action.” In a plumbing system, emergencies can occur....
https://kiasuplumber.com/4-plumbing-emergency-prevention-tips/

One of the scheduled wreckers in a perfectly planned workday is an unexpected plumbing problem. When the bathroom drain clogs or the toilet refuses to....
https://kiasuplumber.com/7-easy-ways-to-prevent-bathroom-clogging/