A researcher uses a electric water tester to test the electrical conductivity, TDS, and salt content of a water at home

A researcher uses a electric water tester to test the electrical conductivity, TDS, and salt content of a water at home stock fotó, képek és stock-fotózás. Image 147717851.

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A Researcher Uses A Electric Water Tester To Test The Electrical Conductivity, TDS, And Salt Content Of A Water At Home Royalty Free Stock-fotók, Képek és Stock-fotózás. Image 147717851.

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A researcher uses a electric water tester to test the electrical conductivity, TDS, and salt content of a water at home

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