A laying has a quill rotatable about an axis, and a pipe carried on the quill. The electrode includes at least 90% by weight of nickel; zirconium; boron and at least one element from the group consisting of aluminum, magnesium, silicon, chromium, titanium and manganese. The materials and structure of the shell and the core are selected and configured so that the co-efficient of thermal expansion of the support member as a whole is substantially equal to that of the printhead. A channel forming component for a vehicular heat exchanger is manufactured using the aluminum alloy brazing sheet having high corrosion resistance. More particularly, the present invention relates to the use of hindered amine siloxanes to create a desirable thixotropy and cure rate in said moldmaking applications as compared to current technologies. The player may designate the symbol species by means of a touch screen or any other type of controller.