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Flying Green Alkaline Cylinder Batteries. Technology Icon Concept. Flat Cartoon Vector Illustration Isolated.
Illustration of battery level indicators. Battery life, accumulator, battery running low, battery recharging vector.
close-up of a indicator paper with alkaline testing
Liver function tests are blood tests that measure different substances produced by your liver, including proteins, enzymes and bilirubin.Medical healthcare,vector illustration.
Person wearing gloves testing the PH of a chemical in a test tube

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