Tear it apart with tweezers.

Open the lid of the thermos kettle, tilt the needle-nose tweezers upward to open the mouth, clamp the flagpole with needle-nose pliers, and pull it out.

The thermos pot is a new product category professionally developed mainly for the inherent characteristics of homes, conferences and other places. Its predecessor evolved from thermos bottles and thermos cups, and can also be called coffee pots.