These instruments could include the business model, the systems or technologies, the methodologies utilised or any kind of tool required or applied in the delivery of the promise. This kind of energy is relentless in its pursuit of continuous improvement and incremental refinement. Calibrators excel when they can tinker with how the system works and experiment with new approaches to old problems. They are often found in engineering and information technology fields due to their knack for fine-tuning many different types of systemic structures.