Quick Closing Valve Testing on Ship

[@ehsanbd2286]

Thank you. It was really helpful

[@abhinavsharma3501]

Good one

[@chestermanatad8233]

Sir tanong lang po ba ibig sabahin ng MC at MCE sa m.e 2strke

[@AftabAlam-rf2yv]

Please try to speak english or make vedio with English subtitle

[@ashishmishra2144]

Please speak in English