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※ This video is part of the < Extreme Jobs - People Who Make Sea Routes - Navigational Marker Workers > broadcast on April 29, 2020. People Who Make Sea Routes, Hanbitho Crew The various light buoys floating on the vast sea each have different meanings. The colors of the light buoys play an important role in determining the direction of the route and the presence of obstacles. It is said that peace at sea can be maintained because there are navigational mark ship crews who closely inspect the light buoys to prevent collisions between ships. The crew's light buoy replacement schedule is 2 nights and 3 days on average, and up to a month. During the work period, the crew members stay on the ship away from their families and eat and sleep, and even their cabins are where they return to after work. A phone call with their family at the end of a hard day is like a shower in the desert, but on days when they are too tired, they forget about it and fall asleep. Even in extremely extreme situations, the sea of South Korea is peaceful because there are those who only think about the sea. However, when the calm of the sea disappears and strong waves arise, their faces start to become tense as they jump on the light buoy and replace the batteries and light bulbs. Buoy maintenance ship, Hanbit! Replace the light buoy. The waves are getting stronger, perhaps because of the bad sea weather. One light buoy weighs a whopping 15 tons. In order to replace the existing light buoy with a new one, the buoy maintenance ship Hanbit equipped with a crane is required. Hanbit sets sail to replace the heavy light buoy. As they travel through the rough seas and arrive at the replacement point, the waves suddenly get stronger and the ship starts to slide. As if things weren’t bad enough, the light buoy hanging on the crane hook loses its balance. If they hit it, it’s only a matter of time before they suffer serious injuries, such as dislocations. Will the crew of Hanbit be able to safely complete their maritime mission and return home? ✔ Program name: Extreme Jobs - People who make sea routes - Navigational marker workers ✔ Broadcast date: 2020.04.29 #GolladyeonDocumentary #ExtremeJob #NavigationalMarkerWorkingCrew #BuoyMaintenanceVessel #HanbitHo #LightBuoy #Sea