Every Chinese character belongs to a small graphic form group which is created with respect to the radical of the character instead of character components. Thus, the gas control knob is operated manually or automatically, thereby facilitating a user operating the gas control knob. The core defines a core passage to receive the elongate substrate and has at least first and second sections. During installation, the eyebolt is captured by a hook member of shotgun stick and a single lineman secures the vibration damper to the conductor. A burst element is provided for bursting a perforation of the accumulated section.