In the video, a person wearing a glove is holding a can of refrigerant and is using it to fill a yellow hose with the refrigerant. The hose is connected to a blue machine that has two red knobs on it. The person is seen turning the knobs on the machine to control the flow of the refrigerant into the hose. The machine appears to be a part of an air conditioning or heating system. The person seems to be performing a task related to the maintenance or installation of the system. The video does not provide any additional context or information about the location or purpose of the task being performed.