id	keyword
easat-3729	propulsion
easat-3729	energy
easat-3729	systems
easat-3729	electric
easat-3729	ifep
easat-3729	efficiency
easat-3729	vsd
easat-3729	ships
easat-3729	emissions
easat-3729	maritime
easat-3729	management
easat-3729	load
easat-3729	design