Question

Technicians must be certified to handle refrigerants as of:

Answer 1

Technicians must be certified to handle refrigerants. Certification is required to ensure safe handling and prevent harm to the environment.

Step-by-step explanation:

Technicians must be certified to handle refrigerants as of a certain date. The specific date can vary depending on the country and jurisdiction. In the United States, for example, technicians have been required to be certified since 1992.

Refrigerants are chemical substances used in refrigeration systems to transfer heat from one area to another. They are typically used in air conditioning systems, refrigerators, and freezers. Handling refrigerants safely is important to prevent leakage of harmful substances into the environment and to avoid accidents.

To become certified, technicians need to undergo training and pass an exam to demonstrate their knowledge and proficiency in handling refrigerants. The certification typically needs to be renewed periodically to ensure technicians stay up to date with the latest industry standards and regulations.