The invention provides new polymerization catalyst activator compositions including a non-coordinating or ionizing activator having a siloxane moiety. The opening has a size based on an accuracy of an alignment between the substrate and the mask. The first and second directions form an angle not equal to zero. The cylinder consists of sulfur-less alloy steel, is a tubular part and may be press-fitted in the pump housing. Additional data designating other aircraft operational parameters, such as speed and altitude, are depicted by graphical objects. As another example, a first application component can dispatch an event that broadcasts a state to other application components via the first application component’s dispatching API wrapper.