84 SEED TESTING 



How is grain loaded and unloaded at mills and grain ele- 

 vators ? How is it elevated ? How cleaned ? How weighed 

 and bagged? What impurities are found in grain? De- 

 scribe the construction of a grain elevator. 



How is grain ground in a mill? What is the object of 

 grinding? Of bolting? How does stone milling differ 

 from the roller process? Describe the bolt. How does 

 bolting cloth differ from other cloths ? Where made ? 

 Name some products made in a mill. What are bran, 

 shorts, middlings, Graham flour, gluten ? Name some . of 

 the breakfast foods made from wheat, corn, oats, barley, 

 etc. 



What is malt ? How is it prepared ? What change takes 

 place in the grain during the malting process ? 



What ingredients enter into the process of brewing? 

 How is beer manufactured? Of what use is yeast in the 

 process? (See Experiments 214-220.) Why? For what 

 are hops used? Where do they come from? 



What liquors are made from rye, barley, corn ? 



