76 DAIRY LABORATORY GUIDE 



contaminate the cream and materially lower the grade. The 

 separator bowl needs to be very carefully taken apart and the 

 contrivances Within handled in such a manner that they will 

 not become bent, injured, nor misplaced. All parts of the 

 machine coming in contact with the milk need to be cleaned 

 each time after using. Care is necessary to first dip the parts 

 into warm water and clean with a brush, after which hot 

 water or live steam will serve to sterilize them. After wash- 

 ing, it is well to place the parts in warm surroundings to drain 

 and dry to prevent rusting. 



