Co2 Bottle Head Valve Working Explained..!
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Fire fighting - CO2 -Carbon Dioxide- discharge valve over view
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Exh. Gas Temperature Difference Between Exh v/v outlet & T/C Inlet, Explained..!
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The sailors confession -Understanding Of Co2 System Onboard Ship.
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Oxygen bottle valve removal whats inside ?
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Hydraulic Jack Working & Safety
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LIFE BOAT- OOW ORAL
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