For example, adding copper to glass can make it blue, while adding tin can make it white.

VOA: special.2009.09.16

The white silk shirt and the blue and lilac tie felt cool and smooth under his fingers.

VOA: special.2009.04.11

"Cow's Skull: Red, White and Blue" is a well known work by American artist Georgia O'Keefe.

VOA: special.2010.08.04

The white stars are in rows in a blue rectangle on the American flag.

VOA: special.2010.04.02

Paul's face was white with thin blue veins under the skin.

VOA: special.2009.04.04

Among the leading young players wearing the red,white and blue will be forwards Patrick Kane, Zach Parise and Phil Kessel, defenseman Ryan Suter and goaltender Ryan Miller.

VOA: standard.2010.01.12

"The economic crisis has been affecting the labor, has been affecting the students, has been affecting office,white collar,the blue collar - the people are not going to be patient considering the situation right now;

VOA: standard.2009.03.09