1.Special Hopper must be used for loading and unloading to prevent material from falling. To sharpen the blade, you must use a special glove for the anti-cutting hand. The upper and lower version of the roll, must be on the version of the special car or special car to the version of the shaft
LEDs (Light Emitting Diodes) are solid-state semiconductor devices that convert electrical energy directly into light. At the heart of the LED is a semiconductor chip with one side bonded to the top of a reflector cup commonly called an anvil. The anvil carries a negative current. The other side of the semiconductor is connected
