Poor network quality may occur due to the following: Network congestion Routers or other network equipment are overloaded with too much traffic. Wireless LAN interference A large number of wireless devices are connected to the access points. Faulty LAN cabling or connection A cable is defective or becomes damaged.
1 Diamond is an excellent electrical insulator, Graphite is a good conductor of electricity. 2  Diamond is the ultimate abrasive, Graphite is a very good lubricant. 3  Diamond is usually transparent, Graphite is opaque.  Diamond crystallizes in the Isometric system and graphite crystallizes in the hexagonal system.
Graphite, while also composed of carbon, has an entirely different crystal structure, and different uses. Graphite is used as an electrical contactor (a brush) in electrical motors. It makes a great dry lubricant for things like locks, and when mixed with clay, forms the lead for ordinary pencils.