In the video, a person is seen using a tool to apply a substance to the bark of a tree. The tool appears to be a metal rod with a nozzle at the end, which is being used to inject the substance into the tree. The person is wearing gloves and is carefully applying the substance to the tree's bark. The background shows a forest with dry leaves on the ground, indicating that it might be autumn or winter. The tree has a rough texture, and the substance being applied is not clearly visible. The person's actions are deliberate and precise, suggesting that they are experienced in this task.