Aluminium foil inch (0.7 mm cycle) and is around long; RCA 77 has 13 corrugations per inch (0.5 mm cycle). RCA ribbon material is around 1 to 1.5 micrometres (0.00005 inch) thick. The new Nady ribbon plus AEA both state that they use 2 micrometre aluminium ribbon in their microphones. Some aluminium foil products can be recycled at around 5% of the original energy cost, although many aluminium laminates are not recycled due to difficulties in separating the components and low yield of aluminium metal. Aluminium foil Aluminium foil (or aluminum foil), often referred to with the misnomer tin foil, is aluminium
Foil (fencing) torso, where the vital organs are. In 1896, foil (and saber) were included as events in the first Olympic Games in Athens. Women's foil was first competed at the Olympics in 1924 in Paris, and was the only Olympic fencing event in which women competed until women's epeé was introduced at the 1996 Olympics. Nowadays, women's fencing is just as popular as men's, and consists of all weapons (foil, epee, and sabre). Ratings exist in order to separate different level fencers from each other in order to create an even-playing field. A higher ranking is earned by performing well at