What type of training does a technician in the field of diagnostics usually require?

Diagnostics is referred to the practice of diagnosis, and diagnosis is the characterization and identification of certain phenomenon or problem by examining its symptoms.

Thus a diagnostic technician, most commonly known as a "medical diagnostic technician" is that one who helps physicians in diagnosing and treating their patients by providing data and information comming from certain equipments such as X-ray devices, CT scanners, MRI devices, sonography etc; so they require education in health science technology, or at least several hours on the job training which requires the operation maintenance and calibration of such equipments plus patient care basics, communication skills as well as safety procedures.

Explanation:

one centimetre is equal to 0.01 metres

human-caused climate hope this