রেনকোট, গামবুট ইত্যাদি তৈরিতে কোনটি ব্যবহৃত হয়?

A পলিথিন

B টেফলন

C পিভিসি (PVC)

D নাইলন

Correct Answer & Explanation

Option C

Option C is the correct answer according to official curriculum guidelines.

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