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After galvanization, the finished product is subjected to quality control measures to ensure compliance with industry standards. Factories often employ advanced technologies and machinery to enhance efficiency and maintain high-quality production. Automation and skilled labor combine to create a product that meets the demands of various sectors, ensuring reliability and durability.
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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.