General projects: sale of mine machinery; sale of machinery and equipment; sale of construction machinery; sale of special equipment; sale of machinery, parts and components; rental of machinery and equipment; rental services (excluding rental of publications); installation services for general machinery and equipment; repair of general equipment; specialized equipment; construction work on earth; sale of electronicware and electromechanical components; sale of metallurgy equipment; sale of specialized equipment for oil refining, chemical production and chemical products (other than licensed chemical products); and distribution of five gold products (in addition to legally approved projects, operating autonomously on the basis of a licence)