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
Tin toy thousand dollars. Tin toy A tin toy, or tin lithograph toy, is a mechanical toy made out of tinplate and colorfully painted by chromolithography to resemble primarily a character or vehicle. Tinplate was used in the manufacture of toys beginning in the mid-19th century. The invention of sheet metal stamping machines in 1815 allowed for the mass production of inexpensive toys. Tin toys were made from thin sheets of steel plated with tin, hence the name tinplate. Tin toys were a cheap and durable substitute for wooden toys. The toys were originally assembled and painted by hand. Spring activated tin