Sponsored photos by

Doctor hand holding ultrasound probe with coupling gel on it and prepare for diagnostic
Soil pH meter and soil fertility meter for cultivation.p value It is an indicator of plant nutrient absorption. Different plants require different pH values.
Endoscopic examination. Instruments for gastroscopy and colonoscopy close-up. The doctor holds a flexible endoscope and biopsy forceps in his hands. Endoscopy and minimally invasive surgery.
Line drawing showing internal proximity probes (X probe and Y probe) mounted to the bearing strongback
Ultrasound diagnosis of stomach and liver on abdominal cavity of in clinic. Ultrasound of liver and gallbladder cirrhosis of the liver

Free stock photosprobing (163)