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Blood sample tube with PSA test on medical laboratory technologist hands over blue background. A blood test that measures the level of prostate specific antigen to screen for prostate cancer.
Four engineers in orange safety gear walk along a waterfront industrial site, discussing operations and pointing toward offshore infrastructure.
A water treatment plant specialist is checking the water quality to find any abnormalities in the water filtration system.
Take water samples for analysis. Selective focus. nature.
Tuberculosis Blood Test (IGRA) Blood Samples in test tube for microbiological research

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