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photo of pcr tube contain master mix solution with micropppet
Sensor lambda probe in an internal combustion engine in the engine compartment. Estimation of residual oxygen in exhaust gases, industry
Woman in a rubber gloves holding a glass electrode for measuring of pH of the solution using pH meter. Analytical or electro chemistry laboratory.
Quality control on milling CNC machine. Precision probe sensor at industrial metalworking
Young woman getting breast examination by her gynecologist ultrasound scanning

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