Marine Engineering for DNS || Types Of Valves || 2
10:29
Marine Engineering for DNS & GP Rating || Gate valve
32:44
How do they do.. Removal and replacing of fuel valves on ships for ME engines..
7:50
Types Of Valves || How Valves Work || Valve Types And Operation || Valve Parts Explained
7:39
Types of valves & their Functions | Piping Analysis
23:09
Ballast Water Treatment System | Sunrui Balclor BWTS | BWTS working & Operation
22:36
Doğal Afetlerde Hayati Önem Taşıyan Cihazlar: Uydu Telefonlar ile Güvende Kalın
19:55
Nepal'in Halüsinasyon Gösterten "Deli Balı" (Delirmek için tırmanıyorlar)
2:42:28