Typical network inside an office or inside a building MAN Metropolitan area network. A network that connects several LANs in a city. WAN Wide area network. A network that spans over long distance. A way to lay out a network.
Static electricity builds up more in cold and dry places.
When working on computers, use special ESD wrist strap. Do not use a piece of wire to ground yourself. An ESD wrist strap has built-in resistor to prevent electric shock. Use specially designed grounded ESD mats. Do not wear synthetic clothing.