5140. S1: But Mr. Ford was by no means the inventor of mass production. P: It is difficult, indeed, to say who was. Q: Brilliant men perfected cotton gins and looms. R: The invention of the steam-engine gave manufacturers the cheap power they needed. S: When the first large mills for the manufacture of cloth were built, mass production began. S6: When one huge machine began to perform rapidly due operations previously done slowly by hand, the age of mass production was born. The Proper sequence should be: