The quality check are listed milk sampling
sampling milk for bacteriological testing
preservation of sample
 labelling and records keeping
common testing of milk
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where are the uses??
this answer is wrong
.Lactometre - It measures the specific gravity and density of the milk.

.Viscosity - This method is used for computing visco-plastic fluid flows.

.PH value - It is used for analytical tasks. (measurement of acid or base of a substance).

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