After 2 or 3 years, a frame can deteriorate. There are a few methods of making a new one, and in the video above Haris shows us one.
First, he takes a new frame and installs three metal wires. The sheet of wax is placed on top of the metal wires.
Then, simply, Haris runs electricity through the wires. They warm up and he presses in the melting wax sheets.
Incredibly these sheets can hold 2 to 3 kg of honey. So unsurprisingly they wear out after a few years.