Math, asked by parveenansari4610, 2 months ago

The difference of (61)and(51)​

Answers

Answered by mrunalbabar655
1

Step-by-step explanation:

NSF-61 is the standard for “Drinking Water System Components-Health Effects”, and deals with materials and products used in contact with drinking water. NSF-51 is the standard for “Plastic Materials

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