In the "Wire Material" category, you can see there are many shorthand English names for materials, such as OFC, CCA, etc; as a professionally modified technician, you surely will improve your personal value from a professional perspective if you grasp those professional words.
“Jennie” shares the knowledge for the professional wire materials shorthand English name, make you be professionaland leave from "I don't know what is it" when talking with the customer.
