CONSTRUCTION OF CREAMERIES 181 



The cost of steam trap and reducing valve should not 

 exceed $15. 



Screening. Where proper sanitation is expected it is 

 absolutely necessary to guard against flies, and this can 

 easily be done by screening all doors and windows. Flies 

 are a prolific source of milk contamination and must 

 therefore be rigidly excluded from the creamery. 



