High School

Persons recovering refrigerant during maintenance or repair of small appliances must be certified as:

1) Type II technician
2) Type III technician
3) Type I technician or Universal technician
4) All the above

Answer :

Final answer:

Persons recovering refrigerant during maintenance service or repair of small appliances must be certified as Universal technicians.

Explanation:

Persons recovering refrigerant during maintenance service or repair of small appliances must be certified as Universal technicians. Universal technicians are certified to work on all types of appliances, including Type I, Type II, and Type III technician certifications. They have a broad knowledge of refrigerant handling and can safely handle all types of appliances.