Disclosed herein are methods for recovering a by-product stream of an ethylene oligomerization process, and systematically processing this stream in order to form a polymer composition that can be pelletized conventionally. A resistance element is mounted in the widened zone, and it provides a variable resistance depending on a position of a cursor that moves under the action of a trigger. The user authentication can be carried out either at the mobile computer management device according to a user input based information received from the mobile computer, or at the mobile computer according to an information entered by the user at the mobile computer. In response to a speech command received from a user, a network interface system accesses the information source with the highest rank number in order to retrieve information requested by the user. The counters for adjacent pixel columns are connected to each other so that the counters for the pixels can be loaded from the counter for the corresponding pixel on the same row in the preceding pixel column. The second attributes may be an asset policy including distribution lists for sending andor receiving the message, a content appropriate for sending field, and a time frame for message sending, for example.