The present invention provides a compound of formula I having BACE1 inhibitory activity, their manufacture, pharmaceutical compositions containing them and their use as therapeutically active substances. In the structure a concentration of Carbon within the fin is selected to establish a desired voltage threshold of the transistor. This code structure allows a receiver to recover lost packets without additional transmissions. The executed software causes the computer system to receive a starting point selected by a user, receive an end point selected by the user and calculate a desired measurement between the starting and end points dependent upon the geo-location data and ground plane data. The method further includes inserting a number of randomly-selected documents into the subset of highest scoring documents to form a set of documents for review, wherein a reviewer cannot differentiate between the randomly-selected documents and the subset of highest scoring documents included in the set of documents for review, and presenting the set of documents for review by the reviewer. In a preferred embodiment, the plastic pallet has an open deck design.