4. Feel Your Fillings. Polyurethane foam is a low-cost, easy-care cushion filling. But the more durable, high-density type can feel hard, and softer, low-density foam deteriorates more rapidly with constant use. High-resilient (HR) foam is slightly more expensive but more comfortable and long-lasting.
Ping is a program that sends a series of packets over a network or the Internet to a specific computer in order to generate a response from that computer. The other computer responds with an acknowledgment that it received the packets. Ping was created to verify whether a specific computer on a network or the Internet exists and is connected. Some have claimed that the word ping is actually an acronym for Packet Internet (or Inter-Network) Groper, deliberately contrived to play on the fact that pinging with a computer is similar to what submariners do with sonar.
Ping is an extremely hard working, skillful, considerate and responsible individual, a pleasant colleague and very good football player. One thing impressed me the most is that Ping's loyalty, to friends, his work, and people around him. If you want some one to lean on to get things done, he is your man.