two disappeared down into the engine room with a couple of small boxes , and the other two disappeared inside some computers , which was not a very rewarding spectator sport so i thought as i own her perhaps i could have a deco at real engineers strutting their stuff , so changing into a pair of virtually unused immaculately snow-white overalls i made my way to the engine room , just in time to open the door for the two engineers to exit out of it , one wiping the merest hint of a spec of oil off a finger with a silk handkerchief .