05.07.2009

The depreciation, depletion, or charge-off to expense of intangible and tangible assets over a period of time. In the extractive industries, the term is most frequently applied to mean either (1) the periodic charge-off to expense of the costs associated with non producing mineral properties incurred prior to the time when they are developed and entered into production or (2) the systematic charge-off to expense of those costs of productive mineral properties (including tangible and intangible costs of prospecting, acquisition, exploration, and development) that had been initially capitalized (or deferred) prior to the time the properties entered into production, and thereafter are charged off as minerals are produced

Amisragas operates in the Israeli market for the last 50 years and is among the largest LP gas retailer in Israel, supplying gas and appliances to hundreds of thousands of  households throughout Israel. In February 2009, the Negev Natural Gas Group won the first natural gas distribution tender in the south of the country for a total investment of 80-100 million shekels. The group includes Amisragas, Electra and building contractor Aharon Hamo

The Natural Gas Index is designed to measure the performance of highly capitalized companies in the natural gas industry involved primarily in natural gas exploration and production and natural gas pipeline transportation and transmission.

The mission of the American Welding Society is to advance the science, technology and application of welding and allied joining and cutting processes, including brazing, soldering and thermal spraying

The American Society of Mechanical Engineers is an organization that promotes the art, science and practice of mechanical and multidisciplinary engineering and allied sciences throughout the world

ASTM International is one of the largest voluntary standards development organizations in the world

API is the only national trade association that represents all aspects of America’s oil and natural gas industry. API leads the development of petroleum and petrochemical equipment and operating standards. API also certifies inspectors of industry equipment. The development of consensus standards is one of API’s oldest and most successful programs. Beginning with its first standards in 1924, API now maintains some 500 standards covering all segments of the oil and gas industry

Major natural gas industry trade association, based in Alexandria, Virginia. AGA conducts technical research and helps create standards for equipment and products involved in every facet of the natural gas industry. It also compiles statistics which are considered industry standards