What is MARPOL? Water Pollution and Environmental Issues

[@godfreymushaike1162]

well explained
thank you🎉

[@zawardu8118]

Thanks for your video man, it is very helpful and very clear!. I hope someday you do celestial navigation

[@tcy748]

Your video is very good and explain clearly .Can you explain about the fire detection system？

[@StillOnboard]

Tnx ! Not at the moment, but I'll try to do it in the future.