Schooling: Common school.
Grinder
Description: The grinder has charge of the milling rolls. He sets his machine or adjusts the rolls for grinding, watches the process to see that proper operation goes on, and tests the stock occasionally to make sure that it is being ground properly. This work is done practically on one floor, with very little climbing.
Qualifications: Must have strong lungs to withstand the dust. He must be an experienced grinder of wheat. Must know how to set his machine and know by testing when the grinding is being properly done.
Schooling: Common school.
Bolter and Purifier
Description: The bolter sifts the wheat stock in the sifting machines, tests the broken wheat stock as it comes from the grinder, and adjusts the feed slides and keeps the machines in proper operation so that they will take in only as much stock as it can properly sift. He must sometimes inform the grinder as to the proper fineness of the stock. He does not fix or oil his machine, but must understand its mechanism. The work is dusty. Mostly floor work, but some climbing on ladders and running boards.
Qualifications: Ordinary ability. Strong lungs. He must be experienced in operating the bolting machine; must understand the testing of the broken wheat stock and the adjustment of slides controlling the feed.
Miller, Second or Trick Miller
Description: The second miller acts for the miller in overseeing all of the processes in cleaning, grinding, and bolting. He plans the work and teaches new men. He is required to figure and keep a record of the yield of flour and feed. He has full charge during the absence of the head miller.