A sprue apparatus for use in a molding apparatus for connecting the melt duct of a molding machine nozzle with a runner system of a molding apparatus. The book has informational pages among which a user may navigate by using only the hand holding the book. Also provided are substantially purified polypeptides and nucleotide sequences encoding the NMPs of the invention. By this flattening process, the distance L1, L2,. The heat exchanger converts condensate formed by the steam chamber back to steam when the condensate contacts the heat exchanger. The device offers a practical, easy-to-use, portable, inexpensive, robust analytical system for the parallel and quantitative detection of multiple analytes.