Galvanized iron sheets have them on the coating of : April 21, 2021 / By Preparation Point / Inspector & Sub Inspector jobs Past Papers MCQs Share on WhatsApp Share on Facebook Share on Twitter Share on LinkedInA) Lead B) Chromium C) Tin D) Zinc ✓ Share this:TwitterFacebookMoreTelegramWhatsAppLike this:Like Loading... Related Share on WhatsApp Share on Facebook Share on Twitter Share on LinkedIn