Which country has built the world’s largest Air Purifier to fight pollution? June 4, 2021 / By Preparation Point / Labour Officer Labor & Human Resource Deptt 2020 Share on WhatsApp Share on Facebook Share on Twitter Share on LinkedInA) America B) China C) Japan D) Greenland Share this:TwitterFacebookMoreTelegramWhatsAppLike this:Like Loading... Related Share on WhatsApp Share on Facebook Share on Twitter Share on LinkedIn