{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"A common problem is running out of disk space, how can it be solved?","a":"Transfer data: Move some infrequently used data, such as movies, music, and documents, to an external hard drive or cloud storage service  to free up space on the internal hard drive."}]}],"pr":"abafdeda224de80176999949be7ff8022573ee69253f93d8ea2ffd5433a94942"}