Advertising services; Commercial administration of the licensing of the goods and services of others; Goods import-export agencies; Marketing services; On-line advertising on a computer network; On-line ordering services featuring solenoids, solenoid valves, sensors, switches; On-line retail store services featuring solenoids, solenoid valves, sensors, switches; Provision of an on-line marketplace for buyers and sellers of goods and services; Search engine optimization for sales promotion; Web site traffic optimisation