Continuous Industrie* 163 



supply of raw sugar comes from abroad. Usually, 

 are on the water-front so that ships may be 

 to a storage warehouse, where 

 the raw sugar is stacked in immense piles and 

 protected from the wcathr t c raw sugar is 



first dis ! warm water and pumped to the 



top of the high building to begin its process of 

 purification. It descends from floor to floor, go- 

 ing through processes of filtration, boiling, crystal- 

 efc (/ .. . is utilized throughout the 

 whole process. Since not many steps in the 

 process require much light, sugar refineries have 

 few windows. The storage space for the raw 

 sugar and also for the finished product is un- 

 usually large, because the goods come from <> 

 seas and heavy stocks must be carried to ensure 

 continuous operation of the plant. 



Flour Milling A Non-By-Product Indus: 

 Flour milling, too, is an example of a nor 

 product, continuous industry, handling solids by 

 means of gravity and bucket conveyors. Thou- 

 sands of barrels a day arc handled by a few 

 en men. The grain is lifted by a bucket con- 

 >r to the top of a high, almost windowless 

 ling where it is cleaned before grinding. It 

 is then ground, screened, and purified. These 

 processes require many steps and the flour drops 

 in chutes from one process to another. 



Meat Packing A By-Product hi -Meat 



packing is the most conspicuous of the by-product 

 industries of the analytical type. Cattle, sheep, 

 and hogs the raw material arc slaughtered and 



