S 1 : We don't know whether the machines are the masters or we are. P: They must be given or rather 'fed' with coal and given petrol to drink from time to time. Q: Already man spends most of his time looking after and waiting upon them. R: Yet he has grown so dependent on them that they have almost become the masters now. S: It is very true that they were made for the sole purpose of being man's servants. S 6 : And if they don't get their meals when they expect them, they will just refuse to work. The Proper sequence should be: