A heavy iron key sits on the desk. The key represents a lock. The key represents the door to the sterilization room. The key is cold. It has no rust. It is a tool for a specific task. When the key turns, the door opens. We expect the key to work. We do not expect the key to change the lock. We do not expect the key to be the problem.
Nadia stands in front of a screen. The screen shows three traces. One trace is red. One trace is blue. One trace is green. These traces represent temperature. The temperature is inside an autoclave. The autoclave is full of glass vials. The vials contain liquid. The liquid must be sterile. To be sterile, the liquid must reach 121.1 degrees Celsius.
121.1°C TARGET
The visual manifestation of doubt: three sensors, one environment, zero consensus.
The Traces Do Not Agree
The red trace says 121.2 degrees. The blue trace says 121.8 degrees. The green trace says 122.4 degrees. The traces do not agree. Nadia looks at the traces. She thinks about the steam. She thinks about the air. She thinks about the load. She thinks the steam is not moving well. She thinks the air is trapped. She thinks the vials are blocked.
Nadia spends on these thoughts. She writes down ideas. She checks the steam valves. She checks the drain. She