Making the world better, one answer at a time. You can visit the airtel.com website to find out how to activate roaming. They will ask for information on where you are traveling and offer you the plan that meets your needs.aking the world better, one answer at a time. You can visit the airtel.com website to find out how to activate roaming. They will ask for information on where you are traveling and offer you the plan that meets your needs.
1912 Steel goes stainless The invention of stainless steel, which was officially 100 years old in May 2012, is normally attributed to one Harry Brearley from Sheffield Chrysler building detail
Haynes had recently received a patent for a metal he created, which he named Stellite. In 1920, the company was purchased by Union Carbide. In 1922, the company invented its first alloy under the Hastelloy brand, derived from the first letters of the words Haynes Stellite Alloy. In  1927, Charles Lindberg's aircraft, the Spirit of St. Louis, which included hard-surfaced engine valves manufactured by Haynes, crossed the Atlantic Ocean.