MILK-PLANT EQUIPMENT. 
3 
words, its average life is about five years. At many plants the life 
of the equipment is much longer, however, often exceeding 10 years, 
due largely to better machinery and to the good care that it receives. 
The low average life in a great measure is due to the fact that after 
a few years the machinery becomes obsolete and has to give way to 
modern equipment. In the case of cans these figures do not neces- 
sarily indicate that a can will wear out in five years; much of the 
depreciation is due to lost cans. 
EQUIPMENT REQUIRED. 
In general, the following equipment is required for the ordinary 
city milk plant : 
1. Weigh can, with platform scales. 
2. Drip saver. 
3. Receiving vat or jacketed, glass-lined storage tanks. 
4. Clarifier or filter. 
5. Pasteurizer. 
6. Holder. 
7. Cooler. 
8. Temperature regulators and recorders. 
9. Supply tank to the filler. 
10. Fillers and cappers. 
11. Bottle washer. 
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Fig. 1. — Dump or weigh can with platform scales. Tank sunk in floor to make dumping 
of milk easier. 
