After years of usage, our MRT trains are subjected to wear and tear. What is being done to maintain the efficiency of these trains? This video was made in collaboration with the Land Transport Authority (LTA).SUBSCRIBE TO US:https://bit.ly/OGSYouTubeJoin our channel's YouTube Memberships and support OGS' videos:https://bit.ly/OGSytmemFind #OGS everywhere!Facebook: https://fb.com/ourgrandfatherstory/Instagram: https://instagram.com/ourgrandfatherstory/TikTok: https://www.tiktok.com/@ourgrandfatherstoryFor media pitches, events and invites: press@ourgrandfatherstory.comFor business enquiries: limkopi@ourgrandfatherstory.com