Close up technician uses multimeter voltmeter to check voltage level in car battery. Service and

A mechanic works on an engine of a car. The individual, wearing a blue work shirt, uses a wrench to tighten a bolt. The image is shot in a neutral light. The engine is the main focal point, with the mechanic's hands in sharp focus. The use case for this image is automotive or mechanical, demonstrating work, skill, and precision.