Fluorinated gases pharmaceutical industries, as well as in refrigeration when combined with other gases. PFCs were commonly used as fire extinguishants in the past and are still found in older fire protection systems. They are also a by-product of the aluminium smelting process. Sulphur hexafluoride (SF) is used primarily as an insulation gas. It can be found in high-voltage switchgear and is used in the production of magnesium. HFCs were developed in the 1990s to substitute substances such as chlorofluorocarbons (CFCs) and hydrochlorofluorocarbons (HCFCs). As these substances were found to deplete the ozone layer, the Montreal Protocol lays down provisions for them
The Full Monteverdi The Full Monteverdi The Full Monteverdi is a 2007 British film written and directed by John La Bouchardière and based on his live production of the same name, itself based on Claudio Monteverdi's fourth book of madrigals (1603) which, in turn, is a collection of settings of poems by such Italian renaissance poets as Giovanni Battista Guarini, Ottavio Rinuccini and Torquato Tasso. The film features the British vocal ensemble I Fagiolini and the original cast of actors from the live production. The title is a play on the name of the 1997 film The Full Monty. The plot concerns six