A computer-implemented technique can include receiving, at a server, labeled training data including a plurality of groups of words, each group of words having a predicate word, each word having generic word embeddings. The method measures the total anionic charge and controls the net charge of an aqueous stream. The fifth wheel coupling plate also has an anti-attrition sliding layer on the side facing the upper plate. A given sub-circuit in a given level includes programmable power protection which is configured to protect sub-circuits at higher levels of the power hierarchy from power variations associated with changes in load on branches at lower levels of the power hierarchy, thereby providing failure isolation in the power hierarchy. The machine automatically couples zipper sliders with zipper bags in large amounts while taking little time, thereby significantly enhancing production efficiency. As a result of oxidizing the silicon, a silicon oxide layer forms on the surface of the substrate.