The air inlet at the back of the hair dryer must be kept unobstructed. The rotation of the blade disc is unstable, fast and slow, and a little lubricating oil should be added to the shaft end of the rotor […]
The air inlet at the back of the hair dryer must be kept unobstructed. The rotation of the blade disc is unstable, fast and slow, and a little lubricating oil should be added to the shaft end of the rotor […]