FACTORY SEWAGE. 135 



A number of vat and floor brushes, as well as 

 rubber mops for keeping the floor dry, is necessary in 

 every factory. There ought also to be on hand a 

 supply of common washing soda for washing milky 

 and greasy utensils, and concentrated lye for the 



drains. 



Labor-saving machinery ought to be provided as 

 far as possible, and the men in charge 

 of the factories should make an honest 

 endeavor to maintain the machinery 

 and buildings in good repair. The 

 boiler and engine should be clean and 

 bright. Pulleys should be tight, bear- 

 ings well oiled, and belts properly 

 laced. Separators, pasteurizers, skim- 

 milk pumps, pipes and tanks, churns, 

 etc., should be kept perfectly clean and 

 in good repair. All this takes some 

 time and care on the part of some one, 

 but it pays to have this done, as dairy 

 machinery is expensive and deterio- 

 rates in value very rapidly if not well RUBBE R MOP FOR 

 cared for. DRYING FLOORS. 



FACTORY SEWAGE. 



One of the most difficult problems about a factory 

 is the proper disposal of the sewage. To run it into 

 an open ditch, or into a creek, or any body of water 

 which is used for drinking purposes, by man or 

 beast, is injurious to health. If it accumulates about 

 the factory it soon creates a nuisance which is danger- 



