"They do a good job." Through the last 50 years at the Speedway, the uniform color of its Safety Patrol hasn't changed. The modern day requirements for "yellow shirts," according to IMS ...

Like all business wars, the clash between JD.com and Meituan, symbolized by the red and yellow uniforms of their delivery ... registration and ensuring food safety could catalyze healthier ...

By 1975, all of the blue uniforms had disappeared. Baseball caps had replaced the pith helmets and the term “yellow shirt” had come into vogue, Davidson said. During the 1976 race season, for the ...