vessels (machinery) 39 history 36 sea ships 24 shipbuilding 17 navy 14 warships 13 small vessels 11 more ... construction 10 sea navigation 8 lodě 7 sailing ships 7 submarine vessels 7 water transport 7 maritime shipping 6 special ships 5 inland water traffic 5 military technology 5 maritime transport 4 dějiny mořeplavectví 3 reliability 3 stability 3 mechanical engineering 3 sailing 3 military aircrafts 3 hydrodynamics 2 jachting 2 shipmodeling 2 models 2 modeling 2 motorové čluny 2 less ...