Fire extinguisher five categories. In the UK the use of Halon gas is now prohibited except under certain situations such as on aircraft and in the military and police. Fire extinguishing performance per fire class is displayed using numbers and letters such as 13A, 55B. EN3 does not recognise a separate electrical class - however there is an additional feature requiring special testing (35 kV dielectric test per EN 3-7:2004). A powder or CO extinguisher will bear an electrical pictogramme as standard signifying that it can be used on live electrical fires (given the symbol E in the table). If a water-based
CO2 is Green CO2 is Green CO2 is Green is a non-profit organization supporting public policy on environmental issues. A main focus of the organization are federal proposals that may “interfere with natures dependence on carbon dioxide.” CO2 is Green does not view carbon dioxide as a pollutant and advocates for federal law and regulations to support this thinking. The CO2 is Green campaign was produced by H. Leighton Steward and Corbin Robertson. Steward retired in 2000, and was the vice chairman of Burlington Resources, a Houston-based oil and gas company bought by ConocoPhillips in 2006. Robertson, the CEO of Natural Resource Partners,