Abstract: The present invention provides an acidic aqueous composition useful for polishing tungsten and titanium on a semiconductor wafer comprising by weight percent 0.5 to 10 abrasive, 0.5 to 9 oxidizer, 0.1 to 5 complexing agent, 0.1 to 5 chelating agent and balance water, wherein the abrasive is fumed silica that has a surface area of greater than 90 m2/g and has only been exposed to an acidic pH.

Abstract: An antenna marker device is set forth for enhanced visibility of an individual's automobile as the device is secured to an uppermost terminal end of the antenna. The device is configured as a football helmet and alternatively provided with a goal post arrangement to provide enhanced visibility of the device and receive the antenna. The antenna is secured at the terminal end in the goal post by a plurality of opposed thumb screws axially aligned within the horizontal bar of the goal post.