Aluminium foil decoration, and crafts, especially in bright metallic colours. Metallic aluminium, normally silvery in colour, can be made to take on other colours through anodisation. Anodising creates an oxide layer on the aluminium surface that can accept coloured dyes or metallic salts, depending on the process used. In this way, aluminium is used to create an inexpensive gold foil that actually contains no gold, and many other bright metallic colours. These foils are sometimes used in distinctive packaging. Foil is used by organic/petroleum geochemists for protecting rock samples taken from the fields and in the labs where the sample is subject
Tin toy 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 toys originated