An image reading apparatus includes: a main body including a document table; a document cover that includes a rear end portion supported by the main body, and a front end portion configured to be movable with respect to the main body; a conveyer that is disposed in the document cover and is configured to feed a document; and a reader that is provided in the main body. The method starts after the first server receives a message from the end user device. Preferably the base is formed of a rigid material and an attachment assembly is connected to the base and structured to facilitate the operative and removable mounting of the base and the armor on the user in a predetermined protective orientation. The float mechanism includes a float block fixed along the rock shaft and positioned adjacent the actuator arm. The search engine identifies the relationship between the nodes, clusters entities that are connected by similar relationships, and presents the clustered information to the user as part of the search results.