In most industries, "failure" means a broken machine. In the medical world, failure means an infection or a failed surgery. Surgical instruments and implants (like orthopedic screws or heart stents) face a chemical environment more aggressive than almost any car or phone. They aren't just exposed to the humidity of the air; they are exposed to blood, saline, and the harsh chemicals... https://cometenvirons.com/environmental-test-chambers-india/