The invention described and claimed in this application is for a fluid drip, tire tread, tire pressure, and foreign exhaust identification apparatus for a vehicle and the like. A first bit line mask is used to form a first bit line layer in a first device level. Two keys are secured by the cam followers and extend radially and inwardly to be inserted into and slidable along two keyways formed in the grip. After a drop of channels the feed-forward control circuit is responsible for the transient performance and fast gain stabilization. 05% to 2% by weight based on the total formulation of a surfactant which is selected from castor oilpoly adducts containing from 20 to 50 alkoxy groups, a C8-C24 fatty acid or hydrogenated castor oilpoly adducts containing from 20 to 60 alkoxy groups, or mixtures thereof.