Confined Space Rescue Technician Training 🕳 As emergency service providers, firefighters are called to respond when things go wrong in a confined space. These incidents are challenging. Examples of areas that are confined spaces include silos, bins, pits, pipes and other tank-like structures. Workers may enter them for maintenance or cleaning and have some form of a medical emergency. Firefighters who are trained to enter are Confined Space Technicians. These are large teams of techs. The teams