equipment brokerage and marketplace; repair services, maintenance services, cleaning services, and related services for manufacturing equipment; parts for manufacturing equipment; Maintenance, repair and cleaning of apparatus and machinery for manufacturing semiconductors; Providing information relating to the repair, maintenance, and servicing of semiconductor manufacturing machines and systems; Providing information relating to the repair, maintenance, and servicing of manufacturing equipment, machines, and systems; Provision of an on-line marketplace for buyers and sellers of goods and services; providing an interactive platform for buying and selling used manufacturing equipment; Operating on-line marketplaces featuring semiconductor manufacturing equipment; PaaS services for buying and selling manufacturing equipment; Computer services, namely, creating an on-line community for registered users to buy and sell used semiconductor equipment; Providing a web site which features advertisements for the goods and services of others on a global computer network; Online matching services for connecting social network users with retailers for the purpose of facilitating discounted purchases; raw materials for manufacturing equipment, machines, and systems; computer hardware and software for diagnostics, maintenance, repair, and servicing of manufacturing equipment, machines, and systems; mobile application for brokerage, marketplace, social networking, diagnostics, maintenance, repair, and servicing of manufacturing equipment, machines, and systems