General items of construction work (subject to legal authorization for projects not subject to the approval of the relevant authorities for the implementation of the approval of the project); general projects: installation of general machinery; maintenance of electronics, machinery (excluding special equipment); sale of technical services, technical advice, exchange of technology, technology transfer, technical promotion; sale of machinery and electrical equipment; sale of machinery and machinery components; sale of machinery spare parts and spare parts; sale of machinery bed control (net cargo); sale of parts and accessories for the construction of machinery; sale of equipment for the sale of furniture and equipment; sale of equipment for the sale of goods and equipment for the sale of furniture and equipment; sale of equipment for the sale of goods and equipment for the sale of furniture and equipment; sale of equipment for the sale of furniture and equipment for the sale of goods and equipment for the sale of furniture and equipment; sale of equipment for the sale of goods and equipment for the sale of equipment; sale of equipment for the sale of equipment for the sale of furniture and equipment; sale of equipment for the sale of goods and equipment for the sale of equipment for the sale of buildings and equipment; sale of equipment for the sale of equipment for the sale of vehicles and equipment for the vacuum