Detect

The biologist used a microscope to detect the presence of microorganisms.

The teacher uses a plagiarism checker to detect any copied content in the students' essays.

The doctor performs a blood test to detect the presence of certain diseases.

The detective uses a fingerprinting technique to detect the culprit at the crime scene.

The software program scans the computer for viruses to detect any malware.

The lifeguard closely watches the pool to detect any signs of drowning or distress.

The customs officer uses a scanner to detect illegal items hidden in luggage.

The engineer installs sensors in the machinery to detect any potential malfunctions.