Retail services or wholesale services for electrical machinery and apparatus, laboratory apparatus and instruments, optical machines and apparatus, measuring or testing machines and instruments, electrical communication machines and instruments, electronic machines, apparatus and their parts, electric or magnetic meters and testers, industrial X-ray machines and apparatus, not for medical use and medical apparatus; arranging contracts for the procurement of goods and the arrangement of services for the business of others; providing information concerning commercial sales; import-export agency services; advertising and publicity services.