Furthermore, improper lifting or failure to replace drain covers correctly can result in serious injury. A loose or improperly fitted drain cover can become a trip hazard, especially for children or individuals with mobility issues. Therefore, it is essential for city workers and maintenance teams to follow strict safety protocols when lifting drain covers, ensuring they are securely fastened back in place once work is completed.
Conclusion
The question of why manhole covers are typically round (in some countries) was made famous by Microsoft when they began asking it as a job-interview question.[8] Originally meant as a psychological assessment of how one approaches a question with more than one correct answer, the problem has produced a number of alternative explanations, from the tautological (Manhole covers are round because manholes are round)[8] to the philosophical.