The Gas Utilities Servicer Apprenticeship License allows you to do the following work:
Test, and/or examine pipelines and equipment to locate leaks or faulty pipe connections, and to determine the pressure and flow of gas.
Before applying, note that, first, previous experience with physical and volunteer work, punctuality, and consistent work history are all taken into account during the application process. If you don't have previous experience in the Gas Utilities Servicer Apprenticeship field, consider applying for a pre-apprenticeship program. Second, having a criminal record is not a work impediment.