(b) technical services, technology development, technical advice, technology exchange, technology transfer, technology roll-out, power distribution control equipment manufacturing, electrical electronics manufacturing services, technology intermediation services, sales of refrigeration and air conditioning equipment, sales of solar heat equipment, sales of specialized equipment for environmental protection, sales of software, distribution of electrical electrons, distribution of electrical-related control equipment, sale of high-energy fibres and compounding equipment, sales of fibres for plastics enhancement, information technology advisory services, information technology services, information technology networking services, services for the management of electrical electronics services, supply of pollution management services and services other than pollution management services, environmental management services, environmental services, environmental services, environmental services, environmental services, environmental services, environmental services and services; (in addition to projects subject to legal authorization, projects are licensed to operate independently of the law under a business licence: heating services; design of building smart systems; design of construction works; construction works; subcontracting of construction services; design of special equipment. (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)