Close-up of man's hand twisting a valve. Close-up of electric mixer stirring together the ingredients that the baker put in. "The baker draws off this mixture into a pail." Close-up of man twisting valve on bottom of mixer to release a stream of mixed liquids into the pail. "Vitamins, minerals, and water go into the dough mixing machine." Close-up of pail being emptied into a machine opening. Close-up of hand weighing the flour. Various shots of baker pouring the flour into the machine through a large funnel. Shot of mixer opening and tossing out the mixed dough. Shot of two men wheeling a large trough into a room lined with other troughs. "The trough then goes into a warm room, where the sponge will rise, or swell." Close-ups of sponge in dough. Cut to wide shot of mixing room. Close-up of two buckets full of ingredients. Cut to baker pouring the ingredients into the mixer and setting the empty buckets back down.