(c) products and accessories; articles and accessories for the manufacture of plastics; sales of plastics; sales of plastics; sales of plastics and metal products; sales of metal and metal products; sales of metal products and accessories; sales of metal and metal products; sales of metal products and accessories; sale of metal and metal products; sale of metal and metal products; sale of metal and metal products; sale of metal products and accessories. (in addition to projects subject to legal authorization, operating on an autonomous basis under a business licence) (a project subject to legal approval may only be carried out with the approval of the relevant department, subject to the approval documents or licences of the relevant department)