id	keyword
easat-3292	passenger
easat-3292	braking
easat-3292	vol
easat-3292	brake
easat-3292	system
easat-3292	pneumatic
easat-3292	equipment
easat-3292	components
easat-3292	faults
easat-3292	wagon
easat-3292	train
easat-3292	operation
easat-3292	valve
easat-3292	science
easat-3292	distributor