Petroleum is a complex fluid whose sulfur content varies considerably depending on its place of origin. Sour crude petroleum, which contains more than 0.5% sulfur by mass, often requires additional processing due to the potential for corrosion and catalyst poisoning during refining.
Along with an IP address, a subnet mask, and a name server, the other thing required for a computer to operate on a network is a primary gateway. The primary gateway acts as an access point which forwards information to another network or the internet.