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.
4.08 What Makes A Good Conductor? 1. The aluminum foil, steel wool, paper clip, copper, charcoal stick, and graphite pencil weregood conductors and displayed metallic properties. The glass rod, MylarÂ®, plastic, rubber, andwood were poor conductors.2. Most of the samples with metallic properties contained metallic bonds. The exception was car-bon.3.